In which episode does Sheldon first rub Vicks VapoRub on Amy's chest while she has a cold?
What nickname did Mike Massimino give to Howard Wolowitz during their NASA interactions?
Why does Sheldon visit the Szechuan Palace restaurant in this episode?
What role was Penny playing in the movie 'Serial Ape-ist 2' before she got fired?
What band did Bert Kibbler temporarily join after replacing Howard Wolowitz?
Why did Raj break up with Emily right before Valentine's Day?
What item did Howard receive from his mother after his father left, which he pretended was connected to his father's disappearance?
What nickname did Beverly Hofstadter use for her ex-husband Alfred?
What significant event involving President Siebert occurs in "The Laureate Accumulation"?
What does Howard plan to tell his mother about his trip to Las Vegas?
In which television series did Margo Harshman play the recurring role of Delilah Fielding?
In Season 9 Episode 18 of The Big Bang Theory, what invention do Sheldon, Leonard, and Howard seek to patent?
What drastic solution did Sheldon suggest for dealing with the sleeping Jimmy Speckerman?
In which episode did Mark Hamill first appear on The Big Bang Theory?
Which Big Bang Theory character made a voice cameo in the Young Sheldon episode 'An Introduction to Engineering and a Glob of Hair Gel'?
What horror film did Emily want to watch with Raj, which he found disturbing?
What number appears repeatedly in Sheldon's secret basement activities?
In Season 6 Episode 19 of The Big Bang Theory, what does Howard Wolowitz discover in his closet that prompts him to confront his past?
In "The Closet Reconfiguration", what did Bernadette ask Sheldon to organize?
What is the name of the cat Leonard considers adopting in Season 1 Episode 3?
For which 2008 film did Robert Downey Jr. receive an Academy Award nomination for Best Supporting Actor?
In the episode where Sheldon acquires multiple cats after breaking up with Amy, what is the name of his favorite cat?
What significant discovery did the Mars rover make before its malfunction?
In Season 10 Episode 4 of The Big Bang Theory, what causes Amy to temporarily move in with Sheldon?
What historical scientific rivalry do Leonard and Howard compare their conflict with Sheldon to?
Which celebrity makes a guest appearance in this episode when Leonard and Raj spot him at a deli?
What was Lucy's occupation as mentioned during her dates with Raj?
What embarrassing action does Howard take with a photo of Penny?
What fear do Penny and Leonard discuss about their relationship during the pub double date?
What is the name of the first episode of The Big Bang Theory?
What ultimately happened to Richard Feynman's van during the bachelor party trip?
Why is Raj able to talk to Summer Glau without alcohol in this episode?
Why was Raj excited to learn that Missy Cooper was separated from her husband?
What discovery earned Rajesh Koothrappali recognition in Season 2 Episode 4?
In the season 8 premiere of The Big Bang Theory, where is Sheldon stranded after being robbed during his train trip?
In Season 2 Episode 11 of The Big Bang Theory, what does Penny give Sheldon for Christmas that leaves him speechless?
Where is the Wolowitz house located?
What movie do the characters watch during their Christmas tree trimming party?
What reason does Sheldon give for rejecting Vanessa Bennet, besides her being late?
What childhood trauma caused Sheldon Cooper to avoid birthday parties?
What does Sheldon say is the problem with the stairs leading to their apartment?
Which television series did Robert Downey Jr. join after his release from prison in 2000?
In which episode did Penny make a guest appearance on "Fun with Flags"?
What significant event occurred shortly after the artist Paul Van Scott completed the painting of Penny and Amy?
What geological feature is Bert's song about during the band practice?
How does Amy attempt to make amends with Sheldon after lying about her plans?
Which actress portrayed Penny's mother Susan in The Big Bang Theory?
What job does Penny interview for at Bernadette's company in this episode?
Which actor portrays Dr. Gallo?
What sci-fi franchise did Colonel Williams mistakenly associate the Death Star with?
What does Howard sing to Penny at the end of the episode?
What arrangement begins between Howard and Leslie Winkle in this episode?
What significant relationship milestone did Sheldon and Amy reach inside Fort Cozy McBlanket?
In which episode of The Big Bang Theory was Mrs. Wolowitz's death revealed?
What university does Martha attend or work for?
During the dinner at Howard's house in Season 8 Episode 18, what item does Howard discover in his mother's freezer that dates back to his Bar Mitzvah?
What method does Missy Cooper threaten to use against Sheldon if he interferes in her dating life?
What significant contribution did Robert Wolcott make to theoretical physics?
What condition threatened the attendance of the wedding party members just before the ceremony?
What does Howard accidentally ask Emily during the gym confrontation?
What caused Sheldon to abruptly end the mine simulation?
What instrument does Connor McAllister play during the Thanksgiving celebration in Georgie & Mandy's First Marriage Season 1 Episode 5?
How does Amy prevent Sheldon from breaking up with her?
In Season 4 Episode 12 of The Big Bang Theory, what smartphone app idea does Leonard propose to Howard and Raj?
Why is Howard Wolowitz initially upset with Stuart in this episode?
In Season 7 Episode 20 of The Big Bang Theory, what scientific discovery causes Sheldon to question his life's work on string theory?
In Season 1 Episode 4 of The Big Bang Theory, what reason does Sheldon give for taking a sabbatical from work?
What milestone occurred during the production of Season 12 Episode 17?
Who does Stuart take on a date, prompting Sheldon to interrupt and ask her to be his girlfriend?
What reason does Howard give for not returning to Earth after his space mission in Season 6 Episode 1?
In Season 7 Episode 16 of The Big Bang Theory, what object does Leonard purchase that causes conflict with Sheldon?
What did Dimitri Rezinov sarcastically comment about Americans after observing Howard Wolowitz's family situation?
What unexpected development occurred between Mary Cooper and Alfred Hofstadter during the wedding events?
What gift did Leonard give Penny before leaving for his research trip in the Season 6 finale?
What reason does Amy give for playing music during her 'punishment' from Sheldon?
What causes Sheldon to revive 'Fun with Flags' after declaring it finished?
Why does Penny stay behind in the hotel room while Amy and Bernadette go out in Las Vegas?
In Beverly Hofstadter's book, what childhood incident did Leonard initially believe was a nightmare?
During the dinner toast, what does Alfred Hofstadter say that immediately provokes Beverly's anger?
What recurring phrase did Sarah often use when speaking to Howard and Raj?
What costume did Leonard Hofstadter wear to a comic convention?
What financial revelation does Penny make to Leonard during their argument about her acting career?
Where do the main characters plan to go for a weekend trip in Season 9 Episode 13?
What unexpected proposal happened during Raj and Anu's first meeting?
Who unexpectedly shows up at Howard and Bernadette's house claiming to be Howard's half-brother?
What causes Penny's nausea during the flight to Stockholm?
What opportunity does Leonard suggest to Penny as a way to advance her acting career after her NCIS disappointment?
In Season 2 Episode 18 of The Big Bang Theory, what business does Penny start that requires the group to assemble one thousand items overnight?
In which episode of The Big Bang Theory does Howard Wolowitz meet his half-brother Josh for the first time?
What is the name of Mike Rostenkowski's son?
What significant life event did Raj's parents experience around their fortieth wedding anniversary?
In Season 12 Episode 17 of The Big Bang Theory, what job offer does Penny receive at the pharmaceutical sales convention?
What was Leslie Winkle's primary scientific field of study?
What is the name of the show in which Melissa Rauch currently stars and reunited with her The Big Bang Theory co-star Mayim Bialik?
What does Howard prepare for Leonard and Penny as 'the perfect meal for apres l'amour'?
What relationship issue arises between Raj and Anu during the paintball game in this episode?
Who moved into the Wolowitz house after Mrs. Wolowitz's death?
What item does Raj use to bribe Sheldon into acting as his wingman at a university mixer?
How do Leonard and Penny finally get married?
In which episode does Neil Michael Wolowitz make his first on-screen appearance?
What is the title of Sheldon's new YouTube series that he creates with Amy?
Why does Dr. Lorvis initially visit Penny's apartment?
How do Leonard, Howard, and Raj attempt to distract Dennis Kim from overshadowing Sheldon?
What method do Howard and Raj use to locate the house of the America's Next Top Model contestants in Season 2 Episode 7?
What object did Leonard use to propose to Penny for the second time after their Vegas elopement?
Why did Amy initially take the painting back from Penny?
In Season 2 Episode 2 of The Big Bang Theory, what scientific theory becomes the reason for Leslie Winkle breaking up with Leonard?
Where do Sheldon and Amy spend the first part of their honeymoon?
What action did Dr. Campbell take that disturbed Sheldon and Amy after confirming their theory?
In Season 6 Episode 15 of The Big Bang Theory, what major Harry Potter spoiler does Sheldon reveal to Leonard?
What event in "The Bus Pants Utilization" leads Sheldon to play his Theremin in the stairwell?
What is the name of Stuart Bloom's long-term girlfriend introduced in later seasons?
Which prestigious pageant title did Kunal Nayyar's wife win before their marriage?
What celebrity does Raj encounter at the Cheesecake Factory bar in Season 2 Episode 4?
What character did Kaley Cuoco play in the CBS sitcom 'The Big Bang Theory'?
During the Dungeons & Dragons game in Season 6 Episode 11, what song does Sheldon sing to stop the walls from closing in?
What unusual family tradition did Leonard Hofstadter experience growing up?
What does Howard discover about Bernadette's whereabouts when he hears a popping noise outside?
What traumatic childhood event caused Sheldon Cooper to hate Christmas?
What traumatic event involving his twin sister caused Sheldon Cooper to develop a hatred for birthday celebrations?
What does Raj see at the movies that upsets him regarding his relationship with Emily?
Where was Lucy physically trapped when she tried to escape her second date with Raj?
Which high school did Judy Greer attend in Livonia, Michigan?
What role does Penny play in Sheldon's fan fiction script during his acting lesson?
Who is the only person who initially signs up for Sheldon's graduate-level physics class?
How did Sheldon respond when Martha asked to spend the night in his room?
Who does Howard Wolowitz impress with magic tricks, leading Sheldon to complain about 'bonding theft'?
What character does Sheldon dress as when he returns to help after his caffeine-induced hyperactivity in Season 2 Episode 18?
In which episode does Howard Wolowitz realize his space toilet design has a critical flaw?
What does Howard use to remotely control household items from around the world?
Which of these items is NOT listed as being on Howard Wolowitz's nightstand?
What was the original planned number of weekly episodes for "Fun with Flags"?
In the episode 'The Hot Tub Contamination', what childhood trauma is revealed as the origin of Sheldon's knocking ritual?
What precaution does Robert Wolcott take to protect his research from theft?
What phrase does Sheldon Cooper famously say after playing a prank?
In Season 10 Episode 6 of The Big Bang Theory, what event causes Howard to realize he and Bernadette aren't ready for their baby?
Who is the first character to meet Amy Farrah Fowler in The Big Bang Theory?
Which character made a virtual appearance at Sheldon's party via laptop because they couldn't attend in person?
What sport does Howard Wolowitz attempt to throw the first pitch for in Season 8 Episode 3 of The Big Bang Theory?
Who are Leonard Cooper's parents?
What does Sheldon realize is more effective than chocolate for modifying behavior?
What unusual characteristic of crows does Dr. Lee study in her grant proposal?
Which character from The Big Bang Theory is known for frequently wearing turtleneck sweaters?
In the episode "The Decision Reverberation", what scientific discovery does Raj fear will not be taken seriously?
In Season 5 Episode 8 of The Big Bang Theory, what activity does Sheldon reluctantly agree to do with Amy to comfort her after she feels excluded?
What anniversary did Leonard and Penny realize they had forgotten during this episode?
What does Penny warn Leonard she believes in besides psychics during their reconciliation?
What significant event did Bernadette reveal to the rabbit at the end of the episode?
In the Season 11 premiere episode, what major life event do Howard and Bernadette announce?
What mysterious wedding gift do Leonard and Penny give to Sheldon and Amy in Season 12 Episode 2?
What nickname does Penny's father, Wyatt, use for her?
What is the name of Wonder Woman's lasso that compels truth-telling?
According to the Cohabitation Rider, how many consecutive nights must a girlfriend stay over to be deemed "living with" Leonard?
What emotional reason does Howard reveal for his reluctance to fully leave his mother's house?
In the low-budget horror movie Serial Ape-ist, what happens to Penny's character during her shower scene?
What historical figure does Sheldon reference when arguing about line-cutting at the movie theater?
What year was Albert Einstein born?
What is the name of the band Howard and Raj form to perform at Stuart's comic book store?
Which prestigious theater award did Laurie Metcalf win in 1984 for her performance in 'Balm in Gilead'?
What story does Leonard reference when presenting Penny with the rewritten paper?
What event triggered the initial conflict between Mary Cooper and Beverly Hofstadter?
What does Penny wear that Sheldon specifically points out during their argument about toys?
What scientific tool did Richard Feynman invent that became widely used in theoretical physics?
Which character confronted Lucy at The Cheesecake Factory about breaking up with Raj via text?
What television show do Bert and Sheldon attend together at the end of the episode?
Why was Jeanie annoyed with Stuart during the prom?
What profession does Claire pursue that leads her to meet Raj at the comic book store?
What unusual birthday tradition did Leonard have with his mother?
Why does Bert initially stop working with Sheldon on their geology project?
In which season does Raj first overcome his selective mutism while sober?
What significant event occurs in the Season 9 premiere involving Leonard and Penny?
What does Howard discover on his face during his final video call with Bernadette in this episode?
Which real-life comic book legend made an appearance at the Comic Center for a signing event?
Why did Howard and Bernadette initially attempt to get married at City Hall?
What living arrangement does Raj announce during the dinner in apartment 4A?
Who locks themselves out of their apartment and has to spend the night with Penny in this episode?
In Season 2 Episode 4 of The Big Bang Theory, what prestigious list does Rajesh Koothrappali appear in?
Who was the third member added to 'Footprints on the Moon' after Howard temporarily left the band?
What is Neil deGrasse Tyson's religious belief?
In Sheldon Cooper's fan fiction story "Where No Sheldon Has Gone Before", what emotion does Mary Cooper express when Spock arrives to take her son to the future?
In Season 10 Episode 10 of The Big Bang Theory, what causes Leonard and Sheldon to argue over dividing their belongings?
Why does Leonard initially object to Sheldon renting his old room back?
What unusual punishment did Mrs. Fowler use on Amy when she misbehaved as a child?
Why did Leonard dress as the Hulk as a child, according to Beverly Hofstadter's book?
In which episode did Mike Rostenkowski first physically appear?
Which character served as Dungeon Master in "The Fermentation Bifurcation" (S9E22)?
How do Amy and Bernadette try to convince Penny to join them at the Australian male strip club?
Which television show made Penny refer to Bill Nye as 'Creepy Old Guy'?
Why does Penny become angry with the main characters in this episode?
In Season 3 Episode 12, what belief of Penny's causes a major argument with Leonard during a double date?
How many children does Sheldon tell Amy he wants to have in the Season 12 Episode 17 conclusion?
What secret about Leonard and Penny's relationship was revealed in a seven-year-old video recorded by Penny?
What game were the male characters playing when the women unexpectedly returned from their aborted trip?
What is the name of Neil deGrasse Tyson's wife?
In which U.S. state was Michael Hofstadter born?
In which season did Ramona Nowitzki reappear after her initial appearance?
What happens to Sheldon when he attempts to enter Skywalker Ranch without permission?
What animal does Sheldon suggest would create an army too cute to attack?
In which episode did Dr. Kevin Campbell first appear?
What song does Sheldon sing to comfort Amy in Season 12 Episode 19?
How does Stuart describe the owner of Capital Comics in Season 7 Episode 13?
What scientific achievement do Sheldon and Amy pursue in Season 12?
Which Hindu creation myth concept involves the breaking of a Cosmic Egg?
What did Dr. Campbell reveal about his colleague Greg Pemberton in "The Plagiarism Schism"?
What unusual habit do both Amy and her father Larry Fowler share that disgusts Sheldon and Mrs. Fowler?
What role-playing scenario are Sheldon and Amy engaged in when Leonard returns to the apartment?
Which actress, known for roles in 'Firefly' and 'Terminator: The Sarah Connor Chronicles', appears as herself in this episode?
What significant event happens between Sheldon and Amy during "The Opening Night Excitation"?
In Season 8 Episode 20 of The Big Bang Theory, what fort did Sheldon and Amy build in their living room?
What affectionate nickname did Wyatt use for his daughter Penny when she was young?
Who confiscated the gyroscope project from Leonard, Howard, and Sheldon in this episode?
What surprising news did Bernadette share with Penny in this episode?
What traditional Victorian parlor game does Amy make the group play at her Christmas dinner?
What event caused the elevator in Leonard and Sheldon's apartment building to become inoperative?
What activity did Amy participate in during her actual high school prom?
In which season did Raj and Emily officially break up for the final time?
What does Penny rent for Leonard to cheer him up after their discussion about children?
What was Kaley Cuoco's character's occupation when she first appeared on 'The Big Bang Theory'?
What event led to Howard Wolowitz moving out of his family home?
Why was Penny initially unaware that her friends had seen Serial Ape-ist?
What significant moment occurs at midnight during the New Year's Eve party?
How much did Amy pay for the painting she commissioned of herself and Penny?
What code name did Amy give Bernadette for her mission to spy on Priya and Leonard?
What song does Mary Cooper sing to Sheldon when he is sick in Season 5, Episode 6 of The Big Bang Theory?
What security measure did Howard install that accidentally trapped Sheldon?
Why did Jimmy Speckerman initially contact Leonard after high school?
In Season 7 Episode 1, what movie does Penny appear in topless that Sheldon has seen?
How did Lucy and Raj primarily communicate during their library date in 'The Contractual Obligation Implementation'?
What did Leonard give Penny as a going-away gift before his North Pole expedition?
What specific activity did Amy interrupt by covering one candle on a birthday cake during Sheldon's OCD exercises?
What household item does Sheldon unexpectedly purchase and use during his sabbatical in Season 1 Episode 4?
What nickname does Sheldon's grandmother use for him in her letters?
In which year did Sheldon Leonard pass away?
What expensive item do Howard and Raj purchase together that leads to conflict with Bernadette?
After Debbie Wolowitz's death, where did Howard and Bernadette move?
What significant action did Emily take after Raj told her they had to return the gifts he gave her?
What recurring joke did Mandy Chow make about Leonard's relationship status when she first saw him after his wedding?
What embarrassing revelation does Raj make at Howard's bachelor party that causes Bernadette to reconsider marrying him?
Why was Raj able to successfully interact with Cheryl at the party without speaking?
How do the friends resolve Howard's dilemma about whether to learn the contents of his father's letter?
What song does Penny convince Sheldon to sing to her in a round at the end of the episode?
In the episode "The Separation Agitation", what occupation does Rebecca hold when she meets Bert?
What significant event did Penny, Bernadette, and Amy attend together in Las Vegas during Season 8?
What was the name of the North Korean spy who dated Leonard in 2003?
Which family members of the couple were confirmed to attend the wedding?
Which character did Martha express romantic interest in?
What unexpected action did Sheldon take during his second NPR appearance with Leonard?
What was Ramona Nowitzki's occupation when she first appeared in Season 2?
What injury does Howard sustain after Penny punches him in the nose?
What does Raj lament about most passionately at the end of the episode?
During a vulnerable moment with Amy, what does Sheldon admit about his feelings toward physical contact?
What reason does Anu give for breaking off her engagement to Raj in this episode?
In which episode of The Big Bang Theory did Kip Thorne first appear?
What nickname does Howard's mother use for him?
What literary work do Leonard and Priya quote together at the Cheesecake Factory?
What is the correct answer to Sheldon's trick question about which scientist had a cookie named after him?
What causes Stuart's comic book store to become unexpectedly popular in Season 11 Episode 21?
Which actor played Howard Wolowitz's mother, whose face is never shown?
What reason does Sheldon give for needing Penny to sing "Soft Kitty"?
What common name did Howard and Raj give to the cricket they found, which Sheldon strongly objected to?
Where is the original Shelbot device displayed as of its last known location?
Who helps Bernadette improve at Fortnite in this episode?
What did Kurt do to Leonard and Sheldon when they tried to retrieve Penny's television?
What causes conflict between Sheldon and Amy when they start working at the same location?
Why did Issabella break up with Raj?
What does Sheldon compare his sister's home birth to?
What responsibility did Dimitri Rezinov insist he would avoid if his wife got a dog?
Which actress portrayed Mrs. Fowler in her physical appearances on the show?
What did Penny quit in the episode "The Occupation Recalibration"?
What nickname did the Russian cosmonaut Dimitri Rezinov use for Howard Wolowitz during their mission to the International Space Station?
Which feature was integrated into the redesigned Xbox 360 announced at E3 in 2010?
What unconventional method does Penny suggest to prevent Sheldon from pursuing in-vitro fertilization with Amy?
Why does Stuart move in with Howard and Bernadette?
In the unaired pilot of The Big Bang Theory, what occupation did Katie have?
Which famous astrophysicist was one of Bill Nye's professors at Cornell University?
What activity does Sheldon attempt with Barry Kripke as part of his friendship algorithm?
What action led to Sheldon Cooper being jailed for contempt of court?
Why does Priya ask Leonard to reduce his interactions with Penny?
What action did Ramona take in 'The Long Distance Dissonance' that shocked Sheldon?
What common breakfast habit does Mrs. Fowler disapprove of?
How many sons does Leonard Hofstadter's sister have?
What piece of furniture disappeared from Leonard's bedroom after season 1?
What does Priya confess to Leonard after he admits his near-infidelity?
Who owns The Comic Center of Pasadena?
What historical scientific couple does Amy Farrah Fowler reference when describing her romantic vision of working with Sheldon in her biology lab during Season 5 Episode 16?
In the episode where the group splits over a disagreement about a Roommate Agreement meeting, what causes Howard Wolowitz to have an allergic reaction?
What was the name of the rescued rabbit that led Bernadette to reveal her pregnancy?
What character does Professor Proton appear as in Sheldon's dream?
Why did Fermilab physicists Greg Pemberton and Kevin Campbell propose removing Amy Fowler from the Nobel Prize nomination?
What was unique about Penny and Amy playing video games in "The Cooper Extraction"?
Why did Emily initially dislike Penny?
What movie does Penny reference when explaining why her relationship with Leonard ended?
In Season 11 Episode 21 of The Big Bang Theory, what astronomical object does Penny discover using Raj's telescope?
Why does Amy ultimately end her date with Dave?
Why were the Fermi-Lab physicists more excited than understanding their own super-asymmetry work?
Where does Howard stay after arguing with his mother?
What does Sheldon do to express his frustration after Amy's appearance on Professor Proton, despite being proud of her?
What did Raj reveal about his birth order among his father's sons in "The Tenure Turbulence"?
What breed of dog is Rajesh Koothrappali's pet named Cinnamon?
What item does Penny throw out of Leonard and Sheldon's window at the beginning of the episode?
How does Raj finally secure a date for Sheldon and Amy's wedding?
What scientific field was Amy Farrah Fowler helping Barry Kripke with, causing Sheldon's jealousy?
What does Sheldon claim to be proficient in that surprises the girls during their night out?
What significant event occurs at the beginning of the episode that Sheldon and Amy have been anticipating?
In Season 5 Episode 2 of The Big Bang Theory, what object causes Sheldon to panic due to his fear of infestation?
What superhero character, known as the King of the Seven Seas, was created by Paul Norris and Mort Weisinger?
What video game character did Sheldon Cooper play as a child to escape his unhappy childhood?
Why does Amy say neurobiology is superior to physics during the cafeteria argument?
What significant scientific evidence did David Underhill's observation provide?
What caused Howard and Bernadette's first breakup?
In which episode did Mrs. Rostenkowski make her first physical appearance?
What was the consequence of the space toilet malfunction aboard the International Space Station?
What alarming change does Bernadette exhibit while staying at the Wolowitz house?
What unusual dish does Howard's mother make that he describes as 'not as good as it sounds'?
In the episode 'The Locomotive Manipulation', what significant event occurs between Sheldon and Amy during their Valentine's Day dinner?
What unusual method did Zack claim helped him achieve his muscular physique?
What poster on Howard Wolowitz's ceiling disturbed Sheldon when he slept over?
In Season 3 Episode 20 of The Big Bang Theory, what does Sheldon bring to Penny's apartment that leads to him being chased by a dog?
What type of content is most frequently censored in UK airings of The Big Bang Theory?
What unusual anatomical fact does Amy share about the Valentine's heart shape during girls' night?
In Season 10, what did Althea suggest to Bernadette and Howard when Bernadette's contractions were over twelve minutes apart?
What physical change does Sheldon exhibit as a result of his dice-based decisions?
Why did Sheldon change the group's regular Tuesday dinner location from Big Boy to The Cheesecake Factory?
Who portrays Sheldon's fictional cousin Leopold in the episode?
Which character started dating Emily Sweeney in Season 7?
What fictional character appears to Sheldon Cooper in a dream to advise him about prioritizing Amy's birthday over the Star Wars premiere?
What is Bernadette's primary concern about Penny's new pharmaceutical sales job?
What does Amy admit to Sheldon about why her mother believes they rarely visit?
Which two characters' unexpected connection causes significant awkwardness for Leonard and Penny in this episode?
What academic degrees did Kunal Nayyar earn before his acting career?
What tactic does Penny use at the memorial service to help Leonard gain favor with the tenure committee?
How did the Hofstadter family typically spend Christmas?
What nickname is given to the female subgroup consisting of Penny, Bernadette, and Amy in The Big Bang Theory?
What is the name of the character played by Danica McKellar in The Big Bang Theory?
In the Justice League costume group formed for a New Year's Eve party, which character did Leonard Hofstadter portray?
Which character did Kaley Cuoco portray in Season 7?
What activity do Leonard, Amy, Raj, and Emily participate in while Penny and Sheldon are conducting their experiment?
According to their father V.M. Koothrappali, how many of his children were married and self-sufficient as of "The Allowance Evaporation"?
In Zack Johnson's final appearance, what significant request did he and his wife make to Leonard and Penny?
Who was the head of the Physics Department at Caltech who fired Sheldon Cooper for insulting him?
Which languages did Vanessa Bennet demonstrate speaking with Sheldon Cooper?
Which character does Barry Kripke develop a romantic interest in during Season 9?
What excuse did Leonard use for visiting the Chevron Station when he and Penny began dating again?
What unusual feature did Alice mention that might 'freak Leonard out'?
Why does Raj initially object to Howard joining Girls' Night?
Why does Bernadette initially refuse to go on the Vomit Comet trip?
What song does Sheldon modify to teach children about spiders not being insects?
What does Penny help Sheldon realize about change during their conversation at the Cheesecake Factory?
Why do Howard and Bernadette decide to have a 'secret vacation' at home?
What question during a joint interview causes Sheldon to leave abruptly in Season 12 Episode 11?
What inappropriate gift does Sheldon give to Janine Davis in an attempt to gain her favor?
What catchphrase does Sheldon use to signal he just told a joke?
What specific item did the robbers NOT steal from Sheldon and Leonard's apartment?
What comedic situation arises when Howard believes he's being followed on the way to the restaurant?
What causes Sheldon to become jealous of Amy during the events of Season 12 Episode 11?
What clause does Bernadette insist be added to the partnership contract between Sheldon, Leonard, and Howard?
What significant legal achievement did Michael Hofstadter accomplish before the Supreme Court?
Where is the setting of Leonard Hofstadter's murder mystery novel?
Who helps Leonard and Howard with the math for their improved communications system project?
What Nobel Prize did Richard Feynman win in 1965?
What nickname does Spock have in The Big Bang Theory context?
How does Penny ultimately get the pharmaceutical sales job despite a poor interview?
What does David Gibbs shout to encourage Sheldon during their encounter in "The Earworm Reverberation"?
What reason does Sheldon give for not learning to drive as a teenager?
In Season 5 Episode 3 of The Big Bang Theory, what activity causes Leonard to injure his groin at the wedding?
What fictional quest are Sheldon, Howard, and Raj engaged in when Leonard recruits them to help Penny?
What was Margo Harshman's most prominent role during her time on the Disney Channel?
Which real-life tech pioneer does Sheldon attempt to meet using his MVPD at a restaurant?
What gift did Penny give Leonard before his trip to the North Pole?
What embarrassing incident from Howard's past resurfaces when he meets Raj's girlfriend Emily?
How many episodes did Stephanie Barnett appear in?
What childhood activity did Lucy mention sharing with her father in 'The Closure Alternative'?
Who was the tenant of Apartment 4B immediately before Penny moved in?
What medical condition did Stephanie falsely diagnose Sheldon with to get him to stop talking?
What Hogwarts house is represented by the hat Leonard wears?
What recurring issue does Penny face with her car?
Why was Sheldon Cooper unable to meet Stan Lee during his comic book signing event?
In which episode did Stephanie Barnett first appear?
What malfunctioning NASA equipment designed by Howard Wolowitz caused an unscheduled spacewalk by the ISS crew?
What was the name of Penny's pet that Wyatt accidentally ran over?
What nickname does Howard give Bernadette's parents before meeting them in this episode?
Which character does Annie Potts portray in Young Sheldon?
What was Howard's emotional state just before his rocket launch?
How does Penny ultimately force Sheldon to end their feud and apologize in Season 2 Episode 7?
What was Rajesh Koothrappali's complaint to Stan Lee during the comic book signing?
Why does Penny get moved from the lead car to the 'Love Car' during the road trip?
In the development of the differential equation solving app, who was fired twice from the project?
What television host features Pemberton and Campbell singing 'Let's Get Physicist!' in this episode?
What song is Penny dancing to while making French toast at the beginning of the episode?
Which character does David Gibbs idolize?
How does Leonard react when given the opportunity to slap Sheldon after he falls asleep?
How did Bernadette convince Sheldon to go to bed when he was overtired?
In Season 3, Episode 7, why does Sheldon turn on the blender during Leonard and Penny's argument?
What major life event do Sheldon and Amy celebrate at the start of Season 12, Episode 1?
How long was the elevator in the apartment building out of order before being fixed?
What common interest helps Josh bond with Howard at the end of their first meeting?
In Season 8 Episode 13 of The Big Bang Theory, what method does Sheldon Cooper use to try to increase his anxiety level for better work performance?
What ultimately prevents the guys from investing in Stuart's comic book store?
What profession does the protagonist Logan have in Leonard Hofstadter's murder mystery novel?
What profession does Dr. Gallo practice?
What significant event occurred between Leonard and Penny at the end of Season 1 Episode 6?
What was Jimmy Speckerman's stated reason for contacting Leonard Hofstadter years after high school?
What personal secret does Howard reveal while under the influence in the desert?
In Season 5 Episode 4 of The Big Bang Theory, what method does Sheldon use to make trivial decisions?
What consequence did Sheldon's team face after losing the bowling match to Wil Wheaton's team?
In Season 9 Episode 5 of The Big Bang Theory, what sport do Sheldon, Leonard, Howard, and Raj take up?
What gift does Sheldon purchase for Leonard's return in Season 7 Episode 2?
In Season 2 Episode 15 of The Big Bang Theory, what unusual machine did Leonard build as a child to experience human contact?
What significant event in 1985 led to Stephen Hawking losing his natural voice?
What was Sheldon's emotional response when Amy interrupted the jack-in-the-box?
Which member of the Science Quartet is the only one who is a twin?
How does Claire react when she learns Raj broke up with Emily just before Valentine's Day?
What childhood nickname did Jimmy Speckerman use for Leonard Hofstadter throughout high school?
Which character joined Leonard's Physics Bowl team after Sheldon was removed?
What nickname does Ruchi use for Bernadette while she is on bed rest?
What childhood event involving Pop-Pop caused Sheldon to dislike Christmas?
How is Josh Wolowitz related to Howard Wolowitz?
What surprising skill does Sheldon reveal to Howard while driving back from the desert?
How did Sheldon Cooper respond when Fermilab proposed excluding Amy from the Nobel nomination?
What unusual gesture does Sheldon make towards Penny at the end of Season 2 Episode 11?
What nickname does Sheldon give to Neil Michael Wolowitz?
During Howard's magic show for children in this episode, what item does Bernadette threaten to withhold as punishment for misbehavior?
What holiday-themed episode of Georgie & Mandy's First Marriage deals with Georgie trying to bring his family together for the first Thanksgiving since his father's death?
Which real-world device inspired the creation of Sheldon's Mobile Virtual Presence Device?
In which episode did Howard and Bernadette get married?
What did Janine Davis offer Amy when she became nervous about being an inspiration to women?
Who is the only person willing to accompany Raj to the People Magazine reception in Season 2 Episode 4?
In the episode where Sheldon and Amy seek support from Nobel laureates against their rivals, what strategy does Leonard use to prevent Sheldon from sabotaging their reception?
In which episode did Joyce Kim first appear in a flashback?
What did Sheldon compare Amy's wedding dress to when he first saw it?
Who played the DMV clerk in this episode?
What compromise do Amy and Sheldon make regarding physical intimacy when they start living together in Season 10 Episode 4?
What unusual living arrangement causes tension between Howard and Stuart in this episode?
Which character diagnosed Raj with selective mutism?
What unique condition did Rajesh Koothrappali experience when interacting with women during the first six seasons?
What does Howard typically do with Raj on Sundays that he misses in this episode?
What event causes Penny to break up with Leonard in Season 3, Episode 19 of The Big Bang Theory?
What embarrassing incident did Howard Wolowitz have with Emily before she dated Raj?
What is Beverly's hidden motive for visiting Leonard in this episode?
In which season of The Big Bang Theory did Alex Jensen first appear?
In the Season 3 premiere of The Big Bang Theory, what household appliance did Leonard, Howard, and Raj use to tamper with Sheldon's research data at the North Pole?
What was the final score before the last question in the Physics Bowl?
In what year did India gain independence from Britain?
What does Sheldon compare himself to when describing how Penny might feel comfortable around him?
Who accidentally reveals Bernadette's pregnancy to her coworkers?
In Season 2 Episode 19 of The Big Bang Theory, what role did Alicia land that led to her confrontation with Penny?
What surprising news did Penny share with Amy and Bernadette in the series finale?
Which character helped arrange Stan Lee's comic book signing event at the comic book store?
What role did Wil Wheaton play in the movie "Serial Ape-ist 2" alongside Penny?
In Season 6 Episode 14 of The Big Bang Theory, what unusual method does Leonard use to get Sheldon to go to work?
Who originally portrayed Spock in Star Trek and reprised the role for The Big Bang Theory?
Why did Howard and Bernadette eventually ask Raj to leave their apartment?
What dietary change does Sheldon initially make to extend his lifespan, leading to an embarrassing side effect?
For which scientific achievement did Kip Thorne win the Nobel Prize in Physics?
In the season 5 finale of The Big Bang Theory, what gift did Howard give Bernadette that he planned to take to space?
What method do Leonard and Penny agree to use for addressing issues in their renewed relationship?
What does Sheldon initially want to name the asteroid he and Raj discovered?
How does Nurse Althea free Howard from the malfunctioning robotic arm?
Which celebrity guest star declines to join Sheldon's gathering after seeing the group singing karaoke?
In which episode did Mrs. Fowler physically appear for the first time?
In The Procreation Calculation, what significant step does Anu take in her relationship with Raj?
What does Leonard realize about his childhood while watching Sheldon's experiments in Season 12 Episode 17?
What is the name of Howard and Bernadette's first child?
What inconsistency about Sheldon's fear of dogs is revealed in the trivia section for Season 1 Episode 4?
Which celestial body's planetary status did Neil deGrasse Tyson famously help demote?
What ultimately happens in the final scene of "The Communication Deterioration"?
What unusual physical gesture did a drunk Sheldon make towards Amy at the end of the Thanksgiving dinner?
What unusual preparation does Sheldon make for Dr. Plimpton's visit in Season 3 Episode 21?
What gift did Ramona bring Sheldon from Switzerland when she returned to Caltech?
What Disney character is Sheldon afraid of in Season 3 Episode 20 of The Big Bang Theory?
Who suggests that Sheldon take acting lessons to improve his teaching?
What comic book does Denise recommend to Sheldon during their first meeting?
Who unexpectedly arrived at Howard's door after Sam Wolowitz transferred the house, revealing a family secret?
What is the name of the board game Sheldon invents in Season 3, Episode 7 of The Big Bang Theory?
In the episode where Sheldon hires Stuart to stand in line for him, what movie were the characters waiting to see?
Why does Raj become trapped at Mrs. Wolowitz's house?
What loophole does Sheldon use to avoid being moody on date night with Amy?
How did Leonard try to ruin the pants that Stephanie bought him?
What emergency code do Leonard, Howard, and Raj use to signal that Sheldon is sick?
What advice does Penny give Raj to avoid planning his wedding with Ruchi during their casual relationship?
Why did Leonard and Penny have a second wedding ceremony in Season 10?
What was the name of Sheldon's Physics Bowl team after he was kicked off the original team?
Who does Raj ask to be his wingman when communicating with Emily online?
What does Dennis Kim criticize about Sheldon's work when first seeing his whiteboards?
How does Mrs. Koothrappali refer to Howard Wolowitz?
In which episode did Stuart Bloom first appear?
In which episode did Kurt make his final appearance?
During his commencement speech, what group of students did Leonard specifically address to offer encouragement?
What condition prevents Raj from speaking to women without alcohol?
According to the Relationship Agreement, when is hand-holding permitted between Sheldon and Amy?
What specific animal does Leonard's sister work with in her medical research?
Who among the main characters is an aerospace engineer?
What humorous parallel is drawn between the guys' movie experience and Sheldon and Amy's intimate moment?
Which celebrity did Sheldon Cooper successfully recruit to attend his proposed convention in Season 7 Episode 14?
In Season 8 Episode 7 of The Big Bang Theory, what magazine article causes tension between Amy and Bernadette?
What unexpected location do Sheldon and Leonard visit instead of giving their lecture at UC Berkeley?
What prestigious grant did experimental physicist David Underhill receive?
Where was Albert Einstein born?
What animal did Wyatt compare Sheldon to during Leonard and Penny's wedding?
What does Leslie tell Leonard about their sexual encounter in Season 1, Episode 5?
What is the name of Leonard Cooper's hockey team?
In Season 10, Episode 23, what action did Colonel Williams take that devastated Leonard, Howard, and Sheldon?
In which episode did Dan first appear?
In which episode did Sheldon propose to Amy?
What childhood incident involving Missy does Sheldon recall when defending his actions?
What problem did Sheldon Cooper encounter with the thermostat in his second office at Caltech?
What does Amy Farrah Fowler initially propose as the reason for her and Sheldon to have a child together?
What is the name of the bottled Kryptonian city that Superman visits in the scenario described in "The Bath Item Gift Hypothesis"?
In the episode where Penny and Sheldon conduct an intimacy experiment, what does Sheldon reveal to Penny that he has kept secret from everyone, including Amy?
What rare comic book did Sheldon Cooper lose to Howard Wolowitz in a bet about identifying a cricket species?
Which character took Jeanie to the prom in 'The Prom Equivalency' episode?
What condition does Amy Farrah Fowler set regarding physical contact during her first date with Sheldon?
What nickname did Sheldon give to his experiment teaching Penny physics?
Who played the role of the scientist boyfriend trying to reverse the protagonist's transformation in 'Serial Ape-ist 2: Monkey See, Monkey Kill'?
In which season of The Big Bang Theory did Stephanie Barnett appear?
What unusual method did Ramona use to help Sheldon work in Season 2?
For which character on the sitcom Roseanne did Laurie Metcalf win three Emmy Awards?
How much money does Kurt owe Penny, as written on Leonard's forehead?
What game were Howard and Raj playing in "The Extract Obliteration" (S6E06)?
What alcoholic beverage do Leonard and his friends drink while discussing Leonard's career crisis in Season 11 Episode 2?
What major life event for Howard Wolowitz occurs in Season 8?
What alias does Sheldon use when meeting the illegal helium dealer in Season 9 Episode 6?
In which season of The Big Bang Theory did Anu first appear?
What is the apartment number of Amy Farrah Fowler's residence?
Which actor portrayed Ramona Nowitzki?
What clause in the Roommate Agreement does Sheldon invoke to argue he should go to Switzerland?
In which episode of The Big Bang Theory does Howard learn he will become a father?
What elaborate cover story did Sheldon create to hide Leonard's relationship with Priya in the episode "The Irish Pub Formulation"?
Why did Sheldon Cooper start hating Christmas as a child?
What unusual method did Sheldon use to occupy the parking spot during his protest?
In which episode did Wil Wheaton first appear on The Big Bang Theory?
What scientific achievement is David Underhill known for in Season 2 Episode 11?
Which candy did Zack Johnson particularly enjoy, as shown when Sheldon offered it to him as an apology?
What does Penny jokingly reference when telling Leonard 'he taught him well, Padawan' at the train station?
What event causes Claire to initially reject Raj's Valentine's Day plans?
What was the name of Judy Greer's character in the television series 'Arrested Development'?
What is the secondary rumor Amy includes when restarting her gossip experiment at the end of the episode?
In Season 1 Episode 5 of Georgie & Mandy's First Marriage, what does Mandy bribe Missy with to convince her to attend the Thanksgiving dinner?
How does Sheldon describe the significance of his damaged spot on the cushion?
What does Raj purchase for $25 from a seller on eBay that turns out to be just a stick?
Which Star Trek actor replaced Wil Wheaton as Sheldon's 'mortal enemy' after the action figure incident?
In the Season 6 episode "The Higgs Boson Observation", what scientific discovery prompts Sheldon to hire an assistant?
What is the consequence for Leonard after Wil Wheaton discovers he revealed details about the celebrity D&D game?
What does Leonard ultimately decide regarding the sperm donation for Zack and Marissa?
Which 2009 comedy film featured Amanda Walsh?
What unusual method does Amy Farrah Fowler use to mark her territory in Sheldon's office?
Why does Bernadette tell Howard she can't join the others in the hot tub?
What scientific field does Sheldon compare to 'the Kardashians of science'?
What is the consequence if the Roommate Agreement touches the ground?
In the novel's dialogue, what does Logan say after Ilsa asks why he keeps coming back despite her hurting him?
What year does Sheldon Cooper reset his life to after learning Leonard is moving in with Penny?
What significant scientific error did Sheldon Cooper make in his calculations for a new element?
What scientific concept was Dr. Robert Wolcott working on that impressed Sheldon during their visit?
What significant event in Howard's life occurs in the episode where he moves out of his mother's house?
What does Bernadette worry will happen at work if her pregnancy becomes known?
In Season 8, Episode 9 of The Big Bang Theory, what medical procedure does Leonard undergo?
In Season 11 Episode 15, what character does Penny initially believe is the basis for Ilsa in Leonard's novel?
Where does Sheldon end up falling asleep after his chaotic night?
What theory did Leonard Hofstadter develop that led to a research paper co-authored with Sheldon Cooper in Season 8?
What action did Sheldon take that ultimately saved Leonard's life during the rocket fuel incident?
What does Howard bring to Girls' Night to enhance the jewelry-making activity?
What clause allows roommates to nullify their responsibilities to each other, aside from rent and utilities?
In "The D & D Vortex" (S12E16), which celebrity hosted a Dungeons & Dragons game that the guys competed to join?
Which actor portrayed The Flash in Sheldon's dream during "The Dependence Transcendence"?
In Season 3 Episode 13 of The Big Bang Theory, what city does Sheldon decide to move to after his apartment is robbed?
What unexpected role did Mark Hamill play during his appearance in The Big Bang Theory?
In which episode does Raj first mention having a brother who sent him a kite from New Delhi?
Which actress portrayed a blonde Wonder Woman in the 1974 TV movie?
What social convention does Sheldon reluctantly participate in at the bachelor party?
What nickname did Howard give Sheldon when they first met, sparking their decade-long feud?
In which episode did Howard and Bernadette first appear in their apartment as a married couple?
What advice does Howard give Sheldon regarding his mother's relationship?
What was Penny's occupation at The Cheesecake Factory during the early seasons of The Big Bang Theory?
In Season 7 Episode 11, what event prompts Sheldon to travel to Texas?
What do the female characters do while the guys are at the comic convention?
In Season 7 Episode 3 of The Big Bang Theory, what activity does Raj organize after the group skips his mystery dinner?
What experiment did Sheldon confess to conducting on Leonard's food?
Which superhero did Rajesh Koothrappali reluctantly portray in the Justice League group?
Why does Claire initially seek Raj's collaboration?
In the DC Extended Universe films, which actor portrayed Aquaman with a Polynesian-inspired appearance?
How does Penny describe Dr. Plimpton after learning about her encounter with Leonard in Season 3 Episode 21?
What reason did Sheldon give for interrupting Leonard and Joyce Kim?
How many children does Dr. V. M. Koothrappali have?
What job did Sheldon initially try to get at the job center, comparing it to Einstein's experience?
In which apartment did Sheldon and Amy live after moving from 4A?
In Season 1 Episode 3, what does Leonard accidentally see that causes him to become depressed?
How does Bert ultimately reconcile with Rebecca after their brief breakup?
What unusual gesture does Sheldon make to show his support for Amy taking the fellowship?
What problem do the male characters face while traveling to the Bakersfield Comic-Con in Season 6 Episode 13?
What happens to the vanity card at the end of credits in many UK airings?
What is the name of the character portrayed by Melissa Rauch on The Big Bang Theory?
What event causes the damage to Stuart's comic book store?
What instrument does Howard Wolowitz play?
What significant event happened to Kaley Cuoco's character Penny in the later seasons of 'The Big Bang Theory'?
In which city did Leonard and Penny first get married?
Which historical female scientist does Sheldon use as an example when trying to inspire the middle school girls, highlighting her tragic death?
How did Raj and Anu first meet?
What hobby does Denise reveal she has when discussing repopulating the earth with Stuart?
In which episode of The Big Bang Theory Season 10 did Bernadette give birth to her daughter Halley?
What long-standing building issue is finally resolved in the penultimate episode of Season 12?
What consequence does Leonard fear after his controversial radio interview in Season 11 Episode 2?
What is the name of the woman hired by Leonard and Raj to cheer up Howard in Las Vegas?
Where do Leonard and his friends go to seek inspiration after Leonard's physics crisis in Season 11 Episode 2?
How did Toby Loobenfeld's portrayal of Leopold differ from Sheldon's vision?
What is the name of the character Kaley Cuoco voiced in the animated series 'Young Sheldon'?
In the episode "The Leftover Thermalization", what publication fails to mention Leonard Hofstadter's contribution to the scientific theory he co-developed with Sheldon?
What clause allows Sheldon to call an emergency meeting?
What physical reaction does Leonard develop from wearing the itchy sweater?
In 'The Solo Oscillation', what does Penny do after Sheldon tells her his knock is annoying when she does it?
In which episode did Halley Wolowitz make her first on-screen appearance?
What is the main reason Mrs. Latham attends the university fundraiser in "The Benefactor Factor"?
What dish does Mary Cooper prepare for Leonard and Penny that Sheldon associates with his childhood?
In Season 4 Episode 16 of The Big Bang Theory, what dilemma does Howard face regarding his relationship with Bernadette?
In Season 8 Episode 18 of The Big Bang Theory, what causes Howard to invite everyone over for dinner at his mother's house?
What does Sheldon declare himself to be after acquiring the Sword of Azeroth in Season 1 Episode 3?
What reason did Bernadette give for choosing the name Michael for her son?
In the episode 'The Champagne Reflection', what item do Leonard, Howard, and Raj find in Professor Abbott's office that was meant to be opened upon his first great discovery?
In which episode does David Gibbs first appear?
What future scenario does Raj describe for Leonard and Penny during the murder mystery game?
What type of relationship did Leslie Winkle establish with Howard Wolowitz?
Which Nobel Prize-winning physicist makes a guest appearance and rejects Sheldon's proposal?
Which of the following is a child of Dr. V. M. Koothrappali?
What is Alicia's occupation in The Big Bang Theory?
Why did Sheldon Cooper initially want to leave the Angels game early?
What does Mary Cooper call Sheldon affectionately in the fan fiction story?
Which family member was Sheldon Cooper's scientific role model?
What event in 1995 sparked Sheldon Cooper's feud with Wil Wheaton?
Who is Bernadette Rostenkowski-Wolowitz's husband?
What problem does Sheldon discover with his new office after winning it from Kripke?
What profession does Emily Sweeney have?
Why does Stuart appear orange when he arrives for his date with Denise?
How does Raj discover Leonard and Howard's deception about the movie?
What is Penny's birthday, as revealed in the Season 9 Thanksgiving episode?
Who starts a Twitter feud with Neil deGrasse Tyson in this episode?
Which television show does Mrs. Koothrappali enjoy watching?
What was the apartment number of Bernadette's apartment before she and Howard moved into his mother's house?
In Season 7 Episode 21 of The Big Bang Theory, what activity do Penny and Sheldon engage in after discovering Bernadette and Amy lied about their plans?
What role does Bernadette play within the Star Wars game team?
In which season 2 episode did Sheldon first use his catchphrase 'Bazinga'?
During World War II, what project did Richard Feynman work on?
What significant event occurred between Leonard and Penny in the episode "The Gorilla Dissolution"?
How does Stuart demonstrate commitment to Denise at the end of the episode?
What movie do the guys watch that leads to a debate about time travel continuity?
What song lyrics did Penny recite during her wedding vows to Leonard?
In Season 12 Episode 7 of The Big Bang Theory, what task does President Siebert assign to Leonard?
What is the name of Howard Wolowitz's father who abandoned the family when Howard was 11?
What item did Sheldon use to impress Martha at the university mixer?
In his farewell video message, how does Sheldon refer to Howard?
What reason does Sheldon give for not celebrating Christmas with a tree in Season 2 Episode 11?
In the episode where Howard and Raj meet two goth women at a nightclub, what job do the women claim to have?
What musical role does Penny perform that prompts Leonard to lie about attending her show?
What gift does Amy give Penny in Season 5 Episode 17 that causes Penny discomfort?
What experiment do Sheldon and Penny conduct in "The Intimacy Acceleration" to test interpersonal closeness?
What did Penny and Bernadette tell Amy about her behavior at the bar to make her feel better?
What event caused Halley to lose a tooth in her only on-screen appearance?
What surprising action did Amy admit to during the "Never Have I Ever" game?
Which Chicago theater company, co-founded by Gary Sinise and John Malkovich, did Laurie Metcalf help establish?
What does Penny say to the guys at the end of Season 1 Episode 7 to test their focus on the game?
In which episode does Denise first appear?
At Leonard and Penny's second wedding ceremony, what positive thing did Alfred say came from his marriage to Beverly?
What major decision do Leonard and Penny make regarding children in Season 12?
Which actor did Sheldon believe would have been a better choice to play Green Lantern instead of Ryan Reynolds?
Which city-state was annexed by India in 1961 after a brief war with Portugal?
In which episode of The Big Bang Theory does Alicia first appear?
In which episode did Bert Kibbler first appear?
What was the new Wi-Fi password Leonard and Sheldon set, referencing Penny?
What does Raj do to try to win back Anu in this episode?
How many episodes of The Big Bang Theory feature the band 'Footprints on the Moon'?
Why did Sheldon Cooper reject Vanessa Bennet despite their apparent compatibility?
What historical event does Bernadette cite as the reason her workplace no longer allows Halloween costumes?
Where did Howard and Bernadette conceive their child?
What does Amy suggest Sheldon do in Texas to avoid seeing her pink eye before the wedding?
Who convinced Raj not to go to London to propose to Anu?
What scientific breakthrough did Sheldon and Amy develop just before their wedding ceremony?
In Season 8 Episode 19 of The Big Bang Theory, what item does Howard Wolowitz refuse to sell at the garage sale?
What discovery did Leonard disprove in the episode "The Discovery Dissipation"?
Why must Sheldon Cooper finish his knocking ritual even if the door is opened early?
What was the name of Albert Einstein's first wife?
What unusual method does Amy suggest for Penny to get Emily to like her?
How did Sheldon finally resolve his conflict with Tam in this episode?
What is the name of Penny's ex-boyfriend who refuses to give back her TV?
Why was Leonard called to Human Resources in "The Retraction Reaction"?
What catchphrase of Sheldon Cooper appeared on a T-shirt worn by Cisco Ramon in The Flash TV series pilot?
Who ultimately becomes Sheldon's best man by the end of Season 11 Episode 12?
What clause requires Leonard to help Sheldon if Sheldon ever becomes a robot?
How does Penny ultimately leave the science conference early?
What did Raj and Anu decide to do after calling off their wedding?
How does Sheldon react when Leonard first tries to comfort him about Professor Proton's death?
What unusual chess variant did Sheldon create in this episode?
What does Sheldon create for Leonard and Penny to help improve their marriage?
In Season 7 Episode 14, why did the waiter mistake Bernadette for Penny's daughter?
What reason does Howard give for dropping out of medical school?
What nickname did Leonard Hofstadter give to Priya Koothrappali?
What is President Siebert's reaction when Sheldon visits his home in "The Monopolar Expedition"?
What causes Stephanie to become jealous during her relationship with Leonard?
What song was used as the theme music for The Big Bang Theory's unaired pilot?
In which episode does Penny help Sheldon when he gets sick for the first time?
What did Sheldon compare the wedding ring to from Lord of the Rings?
What did Rajesh Koothrappali complain about regarding Stan Lee's work during the autograph session?
What is the occupation of Issabella at Caltech?
In the episode where Sheldon asks Amy to be his girlfriend, what card game are the guys playing that features a 'Flaming Spittoon' card?
What character did Dean Norris play in multiple episodes of Season 10?
What popular culture reference did Raj accidentally make while sober in front of Penny?
In Season 9 Episode 8 of The Big Bang Theory, what activity do Penny, Bernadette, and Leonard engage in regarding Amy's date?
Who provides the voice for Stephen Hawking in Sheldon's drunken voicemails?
Which actress did Judy Greer play an office colleague to in the film '13 Going on 30'?
What supernatural occurrence did Sheldon report experiencing in his second office?
Which Disneyland ride caused Howard Wolowitz to get seasick, according to Bernadette?
What ultimatum do Raj's parents give him regarding Emily?
What is the name of Howard and Bernadette's first child?
What scientific concept did Penny attempt to joke about to impress the guys while they were with Alicia?
What is described as the primary reason for Sheldon Cooper's traumatic childhood in Texas?
In Season 5 Episode 5 of The Big Bang Theory, what major opportunity does Howard announce to his friends?
What field did Danica McKellar study at UCLA, where she graduated summa cum laude?
What object did Sheldon use when proposing to Amy at the end of the episode?
What does Sheldon whisper to Amy in the police station that disappoints her?
What significant news does Howard receive in this episode?
Which two individuals originally designed Dungeons & Dragons?
In Season 7 Episode 1 of The Big Bang Theory, what does Sheldon do to comfort Penny when she misses Leonard?
During Amy's date with Dave in Season 9 Episode 10, what does Dave reveal was the cause of his ex-wife's improved cooking skills?
What opportunity did director Kevin Smith offer Penny after seeing her performance in 'Serial Ape-ist 2: Monkey See, Monkey Kill'?
Who officiated Leonard and Penny's vow renewal ceremony?
What item do Leonard, Sheldon, Howard, and Raj collectively purchase in "The Nerdvana Annihilation"?
What are the names of Melissa Rauch's two children?
What unusual collection does Dr. Oliver Lorvis show the guys in his basement?
For her role as Mary Cooper on The Big Bang Theory, Laurie Metcalf played the mother of which main character?
What prestigious university does Michael Hofstadter teach law at?
What video game are the guys playing when Penny joins them in Season 1 Episode 7?
What charitable project did Michael Hofstadter undertake in Rwanda?
What is the name of Superman's father who sent him to Earth from Krypton?
What event do Leonard, Howard, and Raj attend to avoid taking care of Sheldon?
What scientific facility in Switzerland does Leonard plan to visit?
Which character temporarily worked at The Cheesecake Factory without being hired to help with his own work?
What item of Howard's does Bernadette accidentally destroy in Season 7 Episode 13?
What did Raj paint on a Legolas action figure during the cold acclimation practice?
In which season and episode of The Big Bang Theory does Howard Wolowitz's mother pass away?
What profession does Anu hold in The Big Bang Theory?
What is David Gibbs' occupation?
What strategy do the guys use to decide who keeps the ring in "The Precious Fragmentation"?
What does Sheldon describe as 'hollow succor to a man who is bereft of ostrich' when Penny brings him cheesecake?
What scientific concept does Leonard reference when explaining Sheldon's unusual behavior?
What is the main reason Raj's parents disapprove of Penny during the webcam call in Season 2 Episode 4?
What unexpected problem occurred when Howard, Sheldon, and Raj tried to operate the helicopter?
In which Young Sheldon episode is the origin of Sheldon's 'Bazinga' catchphrase revealed?
On what date was Neil Michael Wolowitz born?
What alternate reality scenario involves Howard becoming like Norman Bates from Psycho?
What does Penny say she should do after Leonard and Sheldon fight over the ring?
Who was originally supposed to officiate Sheldon and Amy's wedding before being replaced?
In The Big Bang Theory Season 5 Episode 21, what embarrassing task does Howard force Sheldon to perform in exchange for introducing him to Stephen Hawking?
What method did Penny arrange for Leonard to deliver his commencement address after their flight was canceled?
What object did Katie threaten to borrow if it vibrated?
What song does Amy play on her harp while crying after feeling excluded?
Which character dated Issabella?
What is the primary reason Sheldon insists on taking the train to San Francisco instead of flying?
What event caused Amy Farrah Fowler to be placed on the national 'no-fly' list?
What song was playing when Stuart and Denise got romantic at the Wolowitz house?
What character is Stuart Bloom's girlfriend who becomes the assistant manager at his comic book store?
What is the title of the retrospective special episode that aired after the series finale of The Big Bang Theory?
In Season 8 Episode 17 of The Big Bang Theory, what pet do Sheldon and Amy decide to get together?
What was the title of the Season 7 finale?
What unusual method does Sheldon use to track Amy's fertility in Season 10 Episode 8?
What new interest does Sheldon develop after his train experience?
Which character in The Big Bang Theory works as an experimental physicist at Caltech?
What invention causes Howard and Raj to become paranoid about government surveillance in this episode?
What did Raj mistakenly prepare for dinner when trying to impress Issabella?
What was one of the practice questions asked during Physics Bowl preparations in The Big Bang Theory?
What did Bernadette plan to change about the apartment decor after moving in with Howard?
What is the title of the research paper that Leonard and Sheldon are invited to present at the conference?
What does Sheldon claim prevents him from working in his university office at night?
What did Ramona Nowitzki ask for as a reward after helping Sheldon solve a physics problem?
In Season 9 Episode 10 of The Big Bang Theory, what song does Sheldon realize is stuck in his head, leading him to reconcile with Amy?
What does Sheldon purchase for Leonard 'in case the worst happened' during surgery?
How does Sheldon resolve his conflict with Amy about the Mars application?
What television show does Sheldon trick Amy into watching to get revenge?
What nickname did Sheldon Cooper give to Amy Farrah Fowler's mother?
What reason does Sheldon give for wanting to have a traditional wedding instead of eloping at City Hall?
In Season 8 Episode 12 of The Big Bang Theory, what activity do Penny and Amy force Leonard and Sheldon to participate in?
What task did Leonard and Sheldon perform to convince Barry Kripke to give up the Athenaeum Club booking?
What expensive gift did Bernadette buy Howard after getting her high-paying job?
Which character does the knowledge imply Alicia eventually dates?
Who gave Cinnamon to Raj as a gift?
What is the consequence of Sheldon's attempts to uncover the card trick?
Who played the character Larry Fowler?
What unusual method does Amy suggest to help Sheldon cope with wedding planning stress?
What does Sheldon reveal he possesses at the end of Season 8?
What causes Leonard to have nightmares about attacking his friends after cutting open the meteorite?
Who served as the minister at Sheldon and Amy's wedding?
What misunderstanding occurred when Lucy texted Raj about her occupation during their library date?
Who provides Sheldon and Leonard with the contact for obtaining liquid helium illegally in Season 9 Episode 6?
In the episode where Raj hosts a murder mystery dinner, what unexpected event causes the game to end prematurely?
Why does Leonard Hofstadter invite Missy Cooper to stay at their apartment?
What did Howard accuse Leonard of doing regarding Bernadette?
What song does Amy play on her harp when Sheldon visits her apartment?
What did Raj consume to overcome his mutism when speaking to FBI Agent Angela Page?
What social anxiety coping mechanism did Lucy employ by attending the comic book store's Valentine's Day party?
Which episode first featured Howard referencing his work on the Mars rover to Penny?
What common childhood experience helps Sheldon and Bernadette bond when they talk after the party?
What unique gift does Stephen Hawking send to Sheldon and Amy for their wedding?
What does Leonard reveal to Sheldon about his Chinese food to distract him from the cushion?
What embarrassing situation do Penny and Raj find themselves in the morning after drinking?
What item did Penny sell after receiving a company car?
In the season 2 finale of The Big Bang Theory, what scientific theory were Sheldon and his friends attempting to validate at the North Pole?
What compromise does President Siebert offer Leonard after rejecting his plasma study proposal?
What field of mathematics does Robert Wolcott specialize in?
What does Professor Proton ask Sheldon to do for him after realizing he can't perform his scheduled act?
Who helps Sheldon gain perspective on his jealousy by video call in this episode?
What finally ended the feud between Sheldon Cooper and Wil Wheaton?
Why does Sheldon approve of Stephanie as Leonard's girlfriend?
What physical evidence suggests Penny lost the fight with Alicia?
Which physicist from Fermi-Lab accidentally confirmed Sheldon and Amy's Super-Asymmetry theory?
What reason does Sheldon give Penny for her first strike against him prior to the events of Season 2 Episode 7?
What is Neil deGrasse Tyson's profession?
What method does Sheldon Cooper use to organize Howard and Bernadette's closet in Season 6 Episode 19?
What activity did Leonard, Sheldon, Raj, and Howard simulate in The Cheesecake Factory's walk-in freezer?
What method does Sheldon use to test Leonard's loyalty before assigning him citation work?
What was the real reason Sheldon Cooper hired Toby Loobenfeld?
Who did Sheldon consult before proposing to Amy?
What was the side effect of the medication Raj took for his social anxiety?
What does Sheldon reveal he did with the overdue DVD seven years prior?
Why does Amy initially believe Penny took down the painting?
What unique exception allows cosmetic surgery under the Relationship Agreement?
In which year did Melissa Rauch join the main cast of The Big Bang Theory as a series regular?
Which celebrity guest was featured in both the Star Trek-themed episode and the planned series finale of "Fun with Flags"?
In Season 6 Episode 20 of The Big Bang Theory, what event prompts the competition for a tenured position at Caltech?
What caused the elevator in the apartment building to break?
What does Leonard insist Penny do differently during their non-date outing to the movies?
What action reignited Sheldon's anger during the Raiders of the Lost Ark incident?
Why does Penny angrily confront Leonard after her date with Zack?
Why were Penny and Bernadette initially hesitant to include Amy in their bridesmaid dress shopping?
What does Dr. Gallo prescribe to Penny at the end of their session?
What does Sheldon use to disinfect the apartment after learning Penny was around sick people?
What profession does Penny pursue while working at The Cheesecake Factory?
Which character mistakes Sheldon's intention to speak during the ceremony as a marriage proposal?
What unusual sleeping arrangement occurs when Bernadette stays with Amy and Penny?
What scientific theory did Leslie Winkle champion, leading to her breakup with Leonard Hofstadter?
What was Albert Einstein's occupation?
In which episode did Howard wear Sheldon's Flash shirt for Halloween?
Which famous paleoanthropologist did Alfred Hofstadter work with?
How does Mary Cooper react when Sheldon confronts her about what he saw?
How does Raj mistakenly introduce Penny to his parents via webcam in Season 2 Episode 4?
Which superheroine is featured in a prominent poster on the back of Howard Wolowitz's bedroom door?
Why is Dan afraid of Bernadette?
What profession does Priya Koothrappali practice?
Why does Professor Proton end up in the hospital during his visit to Sheldon and Leonard's apartment?
Which Star Trek character did Sheldon Cooper compare Stephanie Barnett to when describing their group?
In which city was Priya Koothrappali born?
What compromise does Penny eventually offer Leonard regarding the sperm donation?
What was Joyce Kim's true occupation while dating Leonard Hofstadter?
In "The Launch Acceleration", what music did Amy play during dinner to make Sheldon happy?
In which episode did Emily Sweeney first appear?
What unusual requirement did Penny face when filming 'Serial Ape-ist 2: Monkey See, Monkey Kill'?
What did Penny and Leonard repeatedly say while drunk that they found fun to pronounce?
In the Season 9 premiere of The Big Bang Theory, what song lyrics does Penny recite as her wedding vows to Leonard?
In which episode does Sheldon imagine himself running down the stairs dressed as The Flash?
What is the street address of the Los Robles Apartment Building where Leonard and Sheldon live?
Which character did Riki Lindhome voice in The Lego Batman Movie?
In Season 2 Episode 8 of The Big Bang Theory, what game does Sheldon suggest as an alternative to Rock-Paper-Scissors?
Which real-world fort was defeated by Fort Cozy McBlanket in Sheldon and Amy's 'best fort ever' contest?
Who does Leonard suggest as an alternative sperm donor after he declines?
What character trait does Sheldon exhibit by obsessively creating an elaborate alibi to avoid Penny's performance?
What unusual method does Stuart use to calm baby Halley when she won't stop crying?
What method do the guys use to try to stay focused, which involves physical discomfort?
What does Sheldon attempt to scientifically study in this episode to improve his social interactions?
What is located in the basement of the apartment building?
In the Physics Bowl competition featured in Season 1, Episode 13 of The Big Bang Theory, what team name did Sheldon Cooper form after being kicked out of his original team?
What comic book does Stuart recommend to the female characters when they visit his store?
What unexpected event occurs in the clean room that Leonard and Howard are working in?
What personal crisis does Raj face in this episode?
What does Bernadette discover about her coworkers' perception of her at the company banquet?
What was Katie's occupation in the unaired pilot of The Big Bang Theory?
In Season 12 Episode 11 of The Big Bang Theory, what activity do Penny and Leonard organize that leads to multiple conflicts among the group?
In Season 12 Episode 12 of The Big Bang Theory, what unusual request does Zack Johnson make to Leonard?
In which television series did Riki Lindhome portray Becky, the girlfriend of Fozzie Bear?
What logical fallacy does Sheldon accuse his mother of committing when she attributes his safe return to her prayers?
What did Leslie Winkle initially refrain from saying during her birthday toast to Sheldon, but eventually said after he requested it?
What does Penny tell Howard that finally causes him to become depressed?
What reason does Sheldon give for wanting to start reading Aquaman comics in "The Celebration Reverberation"?
What compromise does Sheldon make with Amy regarding wedding planning?
What hygiene debate occurs at the beginning of Season 2 Episode 4?
What fictional character did Toby Loobenfeld portray at Sheldon Cooper's request?
Who accompanies Raj as his guest to the Nobel Prize ceremony?
What happens when Penny finally cuts Sheldon's hair?
What unexpected consequence occurred when Toby Loobenfeld interacted with Penny as Leopold?
What does Leonard discover about David Underhill that causes Penny to break down in tears?
Why does Leonard feel excluded from Penny's gathering in Season 3 Episode 6?
What does Raj do after being kicked out of both Sheldon and Amy's date and Leonard and Penny's apartment in Season 6 Episode 1?
What was the final question in the Physics Bowl that stumped all the scientists but was answered correctly by a janitor?
What mathematical problem was Sheldon attempting to solve while in the steam tunnels?
What childhood story does Sheldon reference when meeting Lalita Gupta?
What does Bernadette's father, Mike Rostenkowski, do while talking to Howard about postponing the wedding?
What business does George Cooper Jr. own that Sheldon and Leonard visit in Texas?
What childhood story does Leonard share with Dr. Gallo about his mother?
What method did Penny suggest to help induce Bernadette's labor?
What reason does Beverly Hofstadter give for being insulted about Penny and Leonard's wedding?
Which Caltech administrator hosted the Physics Bowl competition?
What did Susan do to help present her family in a better light at Leonard and Penny's wedding redo?
What method does Sheldon Cooper suggest to help Amy Farrah Fowler suppress her newfound feelings?
What unexpected topic did Sheldon bring up during the ceremony?
Who voices Sheldon's Spock action figure in this episode?
What number does Sheldon Cooper declare as the 'best number' during dinner?
What extreme measures does Sheldon take to try to uncover Howard's card trick?
Who accidentally discovered they were legally married to Penny in this episode?
What does Sheldon famously claim his mother did to address concerns about his sanity in Season 2 Episode 4?
Which character initially struggled with social interactions and creeped out the others when Penny's Posse first formed?
What childhood incident left Sheldon with a foreign object in his nose, causing airport security delays?
What does Bernadette demonstrate she can effectively fake during a dinner with Amy and Howard?
What is the primary subject of Sheldon Cooper's web series "Fun with Flags"?
What does Leonard give Penny as a romantic gift upon returning from the Arctic?
Where did Sheldon go in the middle of the night to work on his physics problem, leading to Leonard being called by security?
What finally convinces Isabella to give Raj another chance after he lies about her job in Season 10 Episode 8?
What did Leonard express about his relationship with Sheldon during his birthday toast?
What advice does the psychic give Sheldon regarding his relationship with Amy?
In which film did Judy Greer play a character named 'Samantha'?
What code word does Amy choose to redirect conversations away from wedding planning in Season 11 Episode 12?
What unexpected event occurs during Leonard and Penny's intimate moment in 'The Launch Acceleration'?
What unusual method does Sheldon use to help decide between the Xbox One and PS4?
How do Howard and Raj resolve their conflict during the planetarium show?
What embarrassing habit did Randall thank his mother for during Penny's vow renewal?
During the wedding invitation preparation scene in Season 5 Episode 16, what language appears on the back of Bernadette's invitations that she hopes her relatives will mistake for Hebrew?
What does Howard ultimately use to deliver the first pitch when he realizes he can't throw it accurately?
Which actress provided the off-screen voice for Howard Wolowitz's mother, Mrs. Debbie Wolowitz, in The Big Bang Theory?
What geological pun does Penny make when leaving Bert's gathering?
What scientific instrument, visible in Raj's apartment, is a scale model of a major NASA space telescope?
What is the name of the band formed by Howard Wolowitz and Rajesh Koothrappali?
What did Howard and Bernadette both realize about returning to work after having children?
What causes Sheldon to be quarantined in the hospital during Season 4 Episode 23?
What song was playing during the roller skating scene featuring Howard, Raj, Leonard, Penny, and Bernadette?
What unexpected romantic moment occurred between Sheldon and Amy?
What did Alex Jensen purchase for Amy Farrah Fowler as a Valentine's Day gift on Sheldon's behalf?
What was the primary focus of the Hofstadter family's value system?
In which episode of The Big Bang Theory did George Smoot first appear?
Which real-life space telescope did Mike Massimino help service during his NASA missions?
Who does Leonard bring to help deal with Sheldon's behavior in Season 1 Episode 4?
In which city was Judy Greer born?
Which character temporarily lived in the Wolowitz house to help with childcare?
What was the outcome of the physical altercation between Penny and Alicia?
Who does Penny accompany to a university gathering after Sheldon declines to attend?
What object does Sheldon show during the documentary interview that contains Leonard Nimoy's DNA?
How does Penny cause Sheldon to become intoxicated at the Cheesecake Factory?
Why did Leonard Hofstadter never have a birthday party as a child?
What important realization does Sheldon have after his dream conversation with Professor Proton?
What is the name of the episode where Raj faces deportation and starts working for Sheldon?
What does Raj compare his heartbreak over Lucy to when talking to Mrs. Davis?
What action does Leonard take to apologize to Penny after their argument about Alex in Season 6 Episode 12?
In which episode did Cinnamon first appear?
What nickname did Sheldon give to Cinnamon?
What expensive gift does Emily send Raj after their breakup?
Why was Leonard unaware of his mother's 60th birthday celebration?
What was the title of the first song performed by 'Footprints on the Moon'?
What is the title of Leonard's novel that features characters based on his friends?
What is Penny's occupation when she first moves in across from Leonard and Sheldon?
In Season 11 Episode 18 of The Big Bang Theory, what causes Leonard to become emotional during his encounter with Bill Gates?
What fictional world is the setting for the game where Sheldon's account was hacked?
What color car does Sheldon refuse to drive in the simulator?
How did Sheldon overcome his stage fright during the award ceremony?
What does Sheldon secretly do after Amy leaves in The Closure Alternative?
What does Sheldon bring to the hospital that Penny initially mistakes as a gift for Leonard?
What does Amy discover when she sits on Penny's chair to prove her loyalty?
What movie do Leonard and Howard lie about seeing when they skip work on the project?
Why is Amy stressed about potentially winning the Nobel Prize in Season 12 Episode 19?
What unusual drink does Raj consume at Howard's bachelor party?
What costume does Amy wear during Sheldon's Bavarian-themed 'Fun with Flags' episode?
What occupation does Althea Davis hold?
What did Leonard use to signal sarcasm to Sheldon during Penny's confrontation?
What childhood activity does Raj recall when explaining why he never learned 'manly' skills like fishing?
What did Albert Einstein call his 'single biggest blunder'?
What reason does Claire give for breaking up with Raj in Season 10?
Who narrates the series as the adult Sheldon Cooper?
What ultimately interrupts the guys' gaming marathon at the end of the episode?
In what year within the show's timeline does Season 1 of Young Sheldon take place?
What unusual task does Ramona perform for Sheldon during their time together?
What childhood fear did Sheldon reveal when Howard called him a chicken during their argument?
What significant change does Raj make to his appearance in this episode after breaking off his friendship with Howard?
What Star Trek character does Sheldon imitate to describe the situation with Alicia?
In Season 1, Episode 5, what object does Sheldon find on his doorknob that signals Leonard and Leslie are intimate?
What did Sheldon Cooper do that caused Penny to become furious in the second episode of The Big Bang Theory?
Which Hogwarts house does Sheldon award a point to when Leonard hums a song?
What object did Sheldon take from Howard as retaliation for Howard parking in Sheldon's spot?
What causes Sheldon to immediately want to leave the Chinese restaurant at the beginning of the episode?
Why does Howard initially feel relieved about his NASA mission in this episode?
How do the guys eventually get home after their car is stolen in Season 6 Episode 13?
In Season 11 Episode 20 of The Big Bang Theory, what activity did Penny and Bernadette plan for Amy's bachelorette party that she found disappointing?
What condition did Emily have that made Raj's selective mutism irrelevant during their initial meeting?
Why was Kurt arrested according to the knowledge?
What did Sheldon rename his "Fun with Flags" show for the Valentine's Day episode?
What conflict arises between Leonard and Penny during their Thanksgiving dinner preparation?
What does Sheldon witness that causes him to immediately want to leave his mother's house?
What is the name of India's indigenous superhero featured in comics and TV?
Why do Howard and Bernadette consider leaving Stockholm early?
In Season 2 Episode 10 of The Big Bang Theory, what item did Stephanie throw out that made Leonard realize she had moved in?
In which season and episode does Dennis Kim appear?
What is the name of Penny's mother in The Big Bang Theory?
What was the name of Penny's pet pig that her father accidentally killed with his tractor?
What is Barry Kripke's profession at Caltech?
What animal does Robert Wolcott commonly hunt near his cabin?
What is David Gibbs' height?
What does Sheldon do to ensure Leonard and Stephanie's relationship progresses?
In Season 1, Episode 5, what restaurant does Sheldon want to reserve a table at every Tuesday?
What scientific instrument does Leslie Winkle use to heat her Cup O'Noodles in Season 1 Episode 3?
What was the nickname of Sheldon Cooper's maternal grandfather?
Where do Sheldon and Leonard actually go to maintain their alibi during Penny's performance?
What is the full name of Howard and Bernadette's son?
According to George, what significant family responsibility did he take on after their father died?
How much money did Penny pay to cover Kurt's fines?
In Season 5 Episode 16 of The Big Bang Theory, what activity does Sheldon Cooper reluctantly perform as part of his 'vacation' working in Amy Farrah Fowler's biology lab?
In Season 7 Episode 4 of The Big Bang Theory, what plot flaw in Raiders of the Lost Ark does Amy point out to Sheldon?
In Season 7 Episode 14 of The Big Bang Theory, what activity do Penny, Bernadette, and Amy plan to feel more grown-up?
Why was Howard able to convince his mother to let him go on the expedition?
What significant event occurs at the very end of the episode?
What was the name of Howard and Bernadette's son born in Season 11?
What was Rebecca's previous career before becoming a personal trainer?
In which animated film series did Laurie Metcalf voice the character Mrs. Davis?
Which famous scientist surprised Sheldon with a birthday song via video call?
What is the critical flaw Stephen Hawking finds in Sheldon's paper during their meeting?
Which character is portrayed by Jim Parsons?
In which episode does Sheldon Cooper imagine himself as The Flash running to the Grand Canyon?
Which classic film featured Sheldon Leonard in a supporting role as a gangster, released in 1946?
What vulnerability does Superman have besides Kryptonite, as discussed in "The Hamburger Postulate"?
In a later episode, what did George Smoot do with cookies sent by the Coopers?
What does Leonard demand from President Siebert regarding his plasma physics study?
What nickname does Raj Koothrappali give his apartment?
What injury did Penny sustain during the conflict between Amy and Bernadette?
What is Dan's occupation at Zangen?
Why is Leonard upset about Penny's growing friendship with his mother, Beverly?
What gift did Penny give to both Sheldon and Leonard in "The Transporter Malfunction"?
Where was Dennis Kim born?
What does Amy's silent look imply when Sheldon asks if she knows about waiting years for satisfaction?
What plan did the gang devise to distract Dennis Kim from his academic pursuits?
Who is Halley Wolowitz's godfather?
How did Barry Kripke sabotage Sheldon during his NPR "Science Day" interview in the first office?
What unexpected discovery does Sheldon make about the bird after it flies away?
What event caused Penny to dislocate her shoulder, leading to a significant moment with Sheldon?
Who ends up accompanying Leonard to Switzerland after Penny gets sick?
How does Penny initially react to Zack's request for Leonard to be a sperm donor?
In the episode where the group recreates their high school proms, what significant confession does Sheldon make to Amy?
In which episode did Althea Davis first appear in the aired series?
How did Raj ultimately resolve his financial problem after his father cut him off?
Which character did Margo Harshman voice in the 2015 Muppet show series?
What condition did Bethany set for Howard to potentially sleep with him at the tattoo parlor?
Why does Sheldon wear 'bus pants' in this episode?
What invention do Howard and Raj test at the university in this episode?
In Season 12, Episode 9 of The Big Bang Theory, what discovery about Sheldon and Amy's research paper devastates them?
What advice does Professor Proton give Sheldon in his dream about resolving conflict with Amy?
How does Amy sabotage Bernadette's magazine feature opportunity?
What does Raj exclaim when he wakes from his nightmare about meeting Siri's voice actress?
Which actor portrayed an orangutan and mad scientist boyfriend character in the sequel to Serial Ape-ist?
Who does Sheldon see himself as in his nightmare during "The Precious Fragmentation"?
What traumatic experience did Penny have with her sister Lisa involving crayons?
In Season 5 Episode 12 of The Big Bang Theory, what gift does Sheldon give Amy to apologize for not being impressed by her scientific accomplishment?
What does Sheldon claim is the reason for his poor scientific work when confronted by Barry Kripke?
What legal action did Penny and Zack take to end their marriage in this episode?
In Season 7 Episode 7 of The Big Bang Theory, what scientific topic are Leonard and Professor Proton collaborating on?
What prestigious academic position at Cambridge University did Stephen Hawking hold, previously occupied by Isaac Newton?
Where does Sheldon go to hide after multiple arguments in Season 3, Episode 7?
What profession does Alice pursue in The Big Bang Theory?
What concept did John Wheeler devise in 1955 that Kip Thorne later lectured on?
In Season 5 Episode 16, what specific brain structure was Sheldon attempting to dissect when he accidentally cut his thumb and fainted?
Which character did Sheldon temporarily allow to sit in his spot as an apology in "The Apology Insufficiency"?
How many episodes passed between Ramona's first and second appearance?
According to the hosts, what day of the week did the cast typically hold their table reads for new scripts?
What was Dennis Kim's opinion of Sheldon Cooper's string theory research?
Which video game console generation does the Xbox 360 belong to?
Where did Emily suggest having a picnic with Raj, reflecting her macabre interests?
In which episode of The Big Bang Theory did Neil deGrasse Tyson first appear?
How does Sheldon resolve his conflict with Wil Wheaton in this episode?
Which character bonded unexpectedly with Bernadette's father, Mike Rostenkowski, over football?
What activity did the group plan at the cabin that was canceled due to weather?
What theory is Albert Einstein best known for?
What was the title of Buzz Aldrin's autobiography that detailed his struggles with depression and alcoholism?
What was the occupation of Penny's ex-boyfriend Kurt?
What fictional character does Sheldon compare himself to when suggesting they pretend to be aliens at the prom?
What song plays during Amy's fantasy about Sheldon operating a steam locomotive?
What is the name of Penny's friend from Nebraska who visits her in Season 1 Episode 7?
Which couple got married on the roof of the apartment building?
In which episode does Zack Johnson dress as Superman for the Justice League of America costume contest?
In which episode did Eric Gablehauser make his final appearance?
What significant change in Penny's appearance causes Sheldon distress when he returns from his trip?
Who ended up cooking the Thanksgiving dinner at the Wolowitz house?
In Season 10 Episode 21 of The Big Bang Theory, what item does Bert buy for Rebecca on their first date to win her affection?
Which actor topped Forbes' list of highest-paid actors for three consecutive years from 2012 to 2015?
What reason does Bert give for being happy that Rebecca might be dating him for his money?
Why does Sheldon have Amy removed from her own research project?
What feature allowed users of the differential equation app to substitute new values for coefficients?
What horror film did Raj and Emily watch together that both initially found disturbing but later excited Emily?
Why does Raj initially plan to fly to London, and what changes his mind?
What secret did Howard reveal about Raj's iPhone during the group's confession session?
What method does Howard suggest Leonard use to break up with Stephanie?
In which season did Wil Wheaton not make any physical appearances despite being mentioned?
What does Raj ask his father to do for him in this episode?
What reason does Leonard give Penny for potentially sabotaging their marriage by confessing his kiss with Mandy Chow?
Which organization placed the massive order for one thousand Penny Blossoms that required overnight assembly?
What causes Sheldon to faint during the Halloween prank?
Who did Wil Wheaton almost replace as the officiant at Sheldon and Amy's wedding?
What longstanding building issue is finally resolved in this episode?
In Season 9 Episode 6, what condition does Barry Kripke set for giving Sheldon and Leonard his liquid helium?
What is the occupation of Penny's brother Randall?
What embarrassing past activity of Bernadette's did Penny discover online in Season 8 Episode 14?
How did Lucy escape her first date with Raj?
What advice does Howard give Raj to help him overcome his fear of talking to women?
In which episode of The Big Bang Theory does Sheldon dream he has become Gollum?
What position does Siebert hold at Caltech?
How does Raj's relationship with Nell ultimately end?
What psychological experiment did Beverly Hofstadter conduct on Leonard during Easter?
After Amy left, which interrupted activity did Sheldon complete by re-lighting candles?
What happens when Leonard attempts to move the DNA model in Sheldon's old apartment?
What concept for Mars missions did Buzz Aldrin devise in 1985?
Who is the woman that successfully completes Sheldon's girlfriend challenge but is rejected?
What method did Howard suggest Leonard use to tell Stephanie he wanted to slow down their relationship?
What childhood favorite does Amy serve Sheldon during their date night to trigger positive associations?
How many siblings does Raj Koothrappali have, including Priya and Adoot?
What famous demonstration did Richard Feynman perform during the Challenger disaster investigation?
What hobby did Richard Feynman famously take up, similar to Sheldon Cooper in The Big Bang Theory?
How does Sheldon describe Amy's wedding dress when he sees her wearing it?
In which season and episode does Dr. Oliver Lorvis first appear?
During Stuart Bloom's second date with Penny, what name did Penny accidentally say while they were kissing?
How did Mandy Chow react when Leonard told her about Penny's concerns regarding their kiss?
Why was Penny initially reluctant to tell Leonard about taking a history class?
What historical event does Leonard initially want to witness using the time machine?
Which Mario game was Sheldon playing on his laptop using an emulator in "The Codpiece Topology"?
What does Howard wear as part of his technique to attract women at the beginning of the episode?
What item does Sheldon create to commemorate his apologies in Season 9 Episode 13?
What is the Kryptonian birth name of the superhero commonly known as Superman?
What pet do Howard and Bernadette give to Raj at the end of the episode?
What relationship dynamic exists between Logan and Ilsa in Leonard's novel?
What must Leonard provide to determine if questionable dairy products are edible?
On which specific Thursday of the month does Sheldon and Amy's regular Date Night occur?
What does President Siebert call Leonard, Sheldon, Howard, and Raj when inviting them to meet donors in "The Benefactor Factor"?
What event prompted Sheldon to propose to Amy in the Season 11 premiere?
Which episode of The Big Bang Theory was banned from daytime airing in the UK due to its themes?
Which famous physicist appeared as himself in Season 7?
What word does Sheldon Cooper use to signal that his previous statement was a joke?
What type of music do Howard and Raj decide to play in their band?
Which actor did Kaley Cuoco date during the first two seasons of 'The Big Bang Theory'?
How did Lucy end her relationship with Raj in the season 6 finale?
What activity was Mary Cooper about to engage in when Spock arrived in Sheldon's fan fiction?
Which two characters unexpectedly bond over their shared love of Neil Diamond songs during the scavenger hunt?
How does Sheldon get Raj to open his apartment door after their argument?
In which episode does Sheldon use his Green Lantern lantern to attract a graduate student at a university mixer?
What is the name of the theorem co-authored by Danica McKellar during her undergraduate studies?
What is Zack Johnson's profession as revealed in this episode?
In Season 12 Episode 15 of The Big Bang Theory, what activity does Howard arrange for Raj's canceled bachelor party?
In which episode did Issabella first appear?
What embarrassing situation does Howard find himself in after using a robotic arm from NASA for personal pleasure?
What excuse does Leonard give when Penny's study partner Cole recognizes him?
What method do Howard and Raj use to help Sheldon find a new girlfriend in this episode?
What does Sheldon call Leonard when he comments on Leonard's size?
In Season 1 Episode 11 of The Big Bang Theory, what song does Sheldon request Penny to sing when he is sick?
Which writer is credited with creating the word 'Bazinga' for Sheldon's catchphrase?
What does Amy reveal to her friends in Season 9 Episode 6 that surprises them?
What is the title of the fan fiction script Sheldon wrote as a child?
What unexpected knowledge does Penny demonstrate at the end of the episode that surprises Sheldon?
What significant personal achievement did Robert Downey Jr. accomplish after his last court-ordered drug treatment program?
What was the title of Penny's embarrassing movie that appeared in Season 8 Episode 14?
Why does Bernadette ultimately kick Howard out of her apartment after he moves in?
In which season and episode of The Big Bang Theory does Penny consider auditioning for the movie "Clerks 3"?
Where do Georgie and his family end up celebrating Thanksgiving in the Season 1 episode of Georgie & Mandy's First Marriage?
Who files a sexual harassment complaint against Sheldon in Season 6 Episode 12?
What opportunity in London caused Raj to consider proposing again?
What nickname does Amy give Sheldon after their night of cuddling in Season 5 Episode 8?
What does Amy suggest is the real reason for Sheldon's bad mood when his mother visits?
Where does Robert Wolcott's wife believe he is living?
What unexpected act of kindness does Sheldon Cooper offer Howard after learning about Mrs. Wolowitz's death?
What physics problem kept Sheldon awake for several days in the episode 'The Einstein Approximation'?
In the unaired pilot of The Big Bang Theory, what was the name of the female character who was the precursor to Penny?
In Season 6 Episode 1 of The Big Bang Theory, what movie does Sheldon quote to express his feelings to Amy during their anniversary dinner?
What impresses Josh about Howard during their first meeting?
How do Penny, Bernadette, and Amy ultimately gain entry to Wil Wheaton's celebrity D&D game in Season 12 Episode 16?
What was the primary reason Katie was replaced by Penny in the aired version of The Big Bang Theory?
What location did Sheldon and Raj use to simulate mine conditions?
What is the name of Sheldon Cooper's research assistant who developed a crush on Leonard Hofstadter?
What mysterious activity do Howard and Raj investigate Sheldon doing daily in a Caltech basement room?
What is the middle name of Bernadette and Howard's son, named after Mike Rostenkowski?
What advice did Leonard give Stuart for his date with Penny, which Stuart described as playing right into his wheelhouse?
In which episode was Sam Wolowitz's first name revealed?
In which season did the female subgroup known as Penny's Posse begin to form?
In Season 10, Episode 11, what does Amy wear to spice up her birthday celebration with Sheldon?
What character from 'The Nightmare Before Christmas' is featured in one of Emily's tattoos?
What song plays when Raj dances on the party bus at the end of the episode?
What mathematical novella does Sheldon reference when initially refusing to attend the mixer with Raj?
Which activity is explicitly forbidden by the Relationship Agreement's 'no nostalgia' clause?
During his appearance, what franchise-related questions could Mark Hamill not answer that Stuart could?
What happens when Sheldon tries to use the transporter toy?
What was Sheldon's primary concern about Leonard joining the research expedition?
What disguise do Howard and Raj use to gain entry to the models' house at the end of Season 2 Episode 7?
What significant event prompts Raj to temporarily move in with Sheldon?
What was the primary objective of NASA's Mars Exploration Program regarding life?
For his role in which 1992 film did Robert Downey Jr. receive an Academy Award nomination for Best Actor?
How is the ownership of Howard's TARDIS ultimately decided in Season 8 Episode 19?
In "The Santa Simulation" (S6E11), who created the holiday-themed Dungeons & Dragons scenario?
How did Stephanie Barnett silence Sheldon Cooper when he was being obnoxious during her date with Leonard?
What scientific breakthrough does Sheldon achieve in the series finale?
Who is the director of the episode 'The Killer Robot Instability'?
How long did Leonard date Joyce Kim before she defected?
Why did Bethany and Sarah ultimately leave Howard and Raj at the tattoo parlor?
In the episode where Professor Proton passes away, what holiday are Leonard and Sheldon planning to celebrate?
What event did Sheldon miss while at the North Pole that Penny describes to him?
What was Zack Johnson's occupation when he first appeared in the series?
In the series finale season of The Big Bang Theory, what significant emotional resolution does Leonard achieve with his mother Beverly?
What significant change occurs in Penny's appearance throughout Season 8?
What does Amy do to try to help Penny cope with Leonard dating Priya?
Why did Lucy break up with Raj in this episode?
What was Susan's primary concern when meeting Leonard's parents at the wedding redo?
What specific location in Sheldon and Leonard's apartment has Sheldon claimed as his exclusive seating area?
What board game are Leonard, Sheldon, Howard, and Raj playing while eating Chinese food?
What film do Claire, Raj, and Howard discuss when they first meet?
What major life change did Raj experience in Season 7 regarding his interactions with women?
In "The Cooper Extraction", what does Amy observe Sheldon doing that leads her to question him about having a baby?
What nickname did Sheldon give to his friends when they offered to help him with his stage fright?
In which episode did Sheldon save Leonard from an explosion by preventing him from taking experimental rocket fuel down the elevator?
What was Leslie Winkle's characteristic insult for Sheldon Cooper?
In Season 5 Episode 18 of The Big Bang Theory, what causes Sheldon's routine to be disrupted?
What was Sheldon Cooper's reaction when Leonard wanted to adjust the thermostat after New Year's?
Who records Raj's embarrassing toast at Howard's bachelor party and uploads it to YouTube?
What unusual pet is involved in Amy's research that Sheldon encounters at her apartment?
What did Penny incorrectly believe Fig Newtons were named after?
What unexpected revelation does Kevin Campbell make during the confrontation about Pemberton's plagiarism?
What event causes Penny to take Amy on the spa weekend instead of Leonard?
Which Marvel Cinematic Universe character did Robert Downey Jr. famously portray beginning in 2008?
What scientific topic does Leonard initially claim they will attend to avoid Penny's show?
What does Howard Wolowitz build that causes controversy among his friends in 'The Geology Elevation'?
What major life decision do Stuart and Denise make after dealing with her creepy roommate Mitch?
Who does Stuart bring as his date to the group's recreated prom?
In which season and episode of The Big Bang Theory does Sheldon forget his flash drive on a train trip to San Francisco?
What reason did Dr. Wolcott give for living separately from his wife?
What do Amy and Bernadette bake to cheer up Sheldon after Professor Proton's death?
What controversial costume choice did Sheldon make for the Black History Month episode of "Fun with Flags"?
What secret does Sheldon reveal to Amy that leads her to discover his storage unit filled with all his possessions?
In which season does Claire first appear?
In the episode where Sheldon's Meemaw visits Pasadena, what secret does she accidentally reveal to Amy?
In 'The Table Polarization', why did Mike Massimino join a Skype call with Howard's family and friends?
What injury did Sheldon claim to suffer from during Physics Bowl practice?
Who did Sheldon initially blame for calling his discovery the "wonder blunder" during his NPR interview?
How does Leonard finally propose to Penny in this episode?
What was Judy Greer's character name in the film 'The Wedding Planner'?
What does Ruchi ultimately tell Raj and Stuart when they both pursue her?
In which episode does Colonel Williams first appear?
Laurie Metcalf received an Academy Award nomination for Best Supporting Actress for her role in which 2017 film?
What significant personal breakthrough did Raj achieve in the Season 6 finale of The Big Bang Theory?
What does Leonard promise to give Sheldon if he takes good care of Penny?
What scientific project does Sheldon undertake after being fired in Season 1 Episode 4?
What previous event does Bernadette reference when criticizing Penny's honesty about Amy's dress?
In the episode "The Cooper Extraction", what did Sheldon compare enduring his sister's delivery to?
What does Sheldon jokingly refer to his mother's sexual activity as?
In the Season 10 finale of The Big Bang Theory, what action does Dr. Ramona Nowitzki take that prompts Sheldon to fly to New Jersey?
In the Halloween episode where Howard dresses as Sheldon, what costume does Sheldon initially wear to Caltech?
What do Sheldon and Amy bake to win over the Nobel laureates, which ultimately fails?
According to the Roommate Agreement, what temperature must the thermostat be kept at?
What activity do Penny, Bernadette, and Amy plan after being excluded from the D&D game?
What physical trait of Bernadette is attributed to her mother's smoking during pregnancy?
What method does Bernadette suggest to help Sheldon overcome his fear of the bird in Apartment 4A?
How does Sheldon attempt to move on from Amy in Season 9 Episode 5?
What did Amy Farrah Fowler give Sheldon to convince him to stay at the baseball game longer?
What is the name of Raj's Yorkshire Terrier that Howard and Bernadette agree to watch in Season 6 Episode 22?
What discovery do Sheldon and Raj make while analyzing astronomical data in Season 9 Episode 12?
In which episode does Sheldon spoil the death of Dumbledore to Leonard while he is reading Harry Potter and the Half-Blood Prince?
In "The Gorilla Experiment", which Mario racing game were Raj and Sheldon playing?
What birthday perk does The Cheesecake Factory offer according to the series?
What character does Amy Farrah Fowler dress as during the group's trip to Disneyland in "The Contractual Obligation Implementation"?
What game do Sheldon and Amy play that requires understanding each other's thought processes?
What did Toby Loobenfeld study as a double major at MIT?
What is the name of the sperm bank that Leonard and Sheldon visit?
What does Sheldon bring Leonard to prepare him for his date with Mrs. Latham?
What role did Penny play in the horror movie 'Serial Ape-ist 2: Monkey See, Monkey Kill'?
What reason does Wyatt give Penny for thinking she might regret her decision not to have children?
What realization about the electrons did Sheldon have while working at the Cheesecake Factory?
What is the main reason Sheldon decides to buy Amy a Christmas present in this episode?
What historical figure does Sheldon compare Leonard's crush on Penny to?
In which episode did Stuart and Denise officially start their relationship?
What does Howard do with the scooter he buys in Season 12 Episode 19?
What causes tension between Sheldon and Amy during their honeymoon?
What song did Howard sing to win Bernadette back after their first breakup?
What problem do Howard and Bernadette face with their new neighbors at the beginning of the episode?
What does Penny's car's "Check Engine" light lead Sheldon to worry about during their drive?
Which member of the Science Quartet is the only one who is currently single?
How does Leonard Hofstadter describe his relationship with his brother Michael?
Which board game did Sheldon bring to play with Bernadette?
What song lyrics does Sheldon unknowingly reference when excited about visiting Skywalker Ranch?
What unusual habit does Raj reveal he has when making breakfast for Nell?
Which character sarcastically comments 'Four women walk down the stairs. How many reach the lobby?' when encountering Priya?
How does President Siebert react when he sees Leonard at the university after his date with Mrs. Latham?
What new responsibility does Stuart Bloom take on at the end of 'The Status Quo Combustion'?
What did Leslie Winkle do to Sheldon's equations on the whiteboard in Season 1, Episode 5?
How did Amy react when she saw Dr. Nowitzki at the university after becoming engaged?
What profession did Alfred Hofstadter pursue as an anthropologist?
What discovery convinces Amy that Sheldon cares for her?
For how many years was the elevator in Sheldon and Leonard's apartment building out of order before it was finally repaired?
What is Penny's response when Leonard later asks for an answer to his marriage proposal?
What dance does Sheldon perform in an attempt to seduce Amy in Season 10 Episode 8?
Why does Denise initially decline Stuart's invitation to Sheldon and Amy's wedding?
In "The Scavenger Vortex", what unique skills do Sheldon and Penny combine to win the scavenger hunt?
Why does Bernadette feel her brain is turning to mush in this episode?
What occupation does Claire hold while also working as a screenwriter?
What does Sheldon mistakenly believe happened between Leonard and Amy after the wedding?
What is Howard Wolowitz's highest academic degree?
Who officiated Howard and Bernadette's wedding ceremony in the season 5 finale?
What position did Bernadette offer Penny at her pharmaceutical company?
Which character temporarily moved in with Raj, leading to Leonard switching places with Raj?
What research topic do Sheldon and Raj focus on in this episode?
What does Sheldon create at the Crafts Festival Museum?
What does Amy do with the TARDIS after winning it in the ping-pong match?
What does Sheldon sarcastically ask his mother about Dr. Gablehauser at the end of Season 1 Episode 4?
Which character trait does Dr. Lorvis share with Howard Wolowitz from the early seasons?
What is Amy's primary fear that leads to her anger at Sheldon in this episode?
In which year did Judy Greer graduate from DePaul University?
What was the name of Howard and Bernadette's daughter born in Season 10?
In Season 11 Episode 13 of The Big Bang Theory, what scientific theory does Penny help Sheldon develop a new approach to?
What is the capital city of India?
What business venture do Leonard, Sheldon, Howard, and Raj consider investing in during this episode?
What is the name of Barry Kripke's robot that challenges M.O.N.T.E.?
In which flashback episode was Sheldon's spot first shown to be a lawn chair?
Why does Bernadette initially object to Howard's space mission in Season 5 Episode 5?
What reason does Claire give for breaking up with Raj in "The Emotion Detection Automation"?
In the episode where Sheldon Cooper decides to skip the Star Wars: The Force Awakens premiere for Amy Farrah Fowler's birthday, what significant milestone occurs in their relationship?
Why did President Siebert force Sheldon to take a vacation in "The Vacation Solution"?
How did Penny help Sheldon when he had a panic attack during his birthday party?
What Chinese character does Penny have tattooed on her right buttock, according to Sheldon's peek?
What nickname do Howard and Bernadette give themselves while caring for Mrs. Wolowitz?
What name does Sheldon give to the black-throated magpie-jay after overcoming his fear?
What reason did Alfred Hofstadter give for speaking during the ceremony?
In which episode did Emily first appear?
What was the name of the episode in which Stan Lee appeared on The Big Bang Theory?
What song does Penny sing to help Sheldon fall asleep after his accident with the Apple II computer?
What health condition does Dan reveal during his interview with Penny?
What is the name of Howard and Raj's band that performs the theme song for 'Fun with Flags' in this episode?
What significant family event did Lisa experience shortly before her wedding?
What childhood activity do Leonard and Amy bond over while Sheldon is working alone?
How did Penny and Bernadette initially try to reassure Amy about Ramona's presence?
What phrase does Penny exclaim upon seeing Sheldon accept Ramona's dinner invitation?
What consequence did Howard face after Sheldon revealed his involvement in the rover incident to the FBI?
In which episode of The Big Bang Theory does Sheldon reveal his plan to propose to Amy during an interview for a Star Trek documentary?
What sport does Leonard Cooper play?
In Season 6 Episode 12 of The Big Bang Theory, what inappropriate comment does Sheldon make to Alex that leads to a sexual harassment complaint?
In what year did Sheldon leave for Caltech according to the show's timeline?
What cultural reference does Sheldon make when discussing the potential dangers of advanced robotics?
What is the name of Sheldon and Amy's son?
What relationship milestone do Sheldon and Amy reach in Season 8?
Which two actors hosted the retrospective special and shared behind-the-scenes memories?
What does Sheldon use to confirm that Amy is no longer sick?
What significant event led to Stuart moving in with Howard's mother, Debbie Wolowitz?
Who directed the pilot episode of The Big Bang Theory?
How does Amy initially react when Sheldon tells her their theory is disproven?
What method did Leonard suggest for transporting luggage after the elevator was repaired in the series finale?
What song plays during Raj's and Sheldon's daydreams about Ruchi and Bert respectively in this episode?
What psychiatric book written by Dr. Beverly Hofstadter details Leonard's childhood experiences?
Who moves into Sheldon's old room at Apartment 4A in this episode?
What philosophical argument do the female characters have about Thor's hammer?
What television show were the characters planning to watch together before their argument caused a split into separate viewing parties?
How does Sheldon react when Stephen Hawking points out the error in his paper?
What is the name of Leonard's last girlfriend, who was a North Korean spy?
What future vacation destination does Sheldon mention considering at the end of Season 5 Episode 16 after his difficult experience in the biology lab?
In Season 11 Episode 8 of The Big Bang Theory, what project does Sheldon secretly work on for the military?
What classic arcade game does Leonard play at Dr. Lorvis's home, achieving a personal best?
What specific burger does Sheldon always order at The Cheesecake Factory?
What childhood hobby does Howard revisit with Sheldon in this episode?
Why does Colonel Williams insist that Leonard and Howard make a smaller gyroscope?
What does Sheldon do to Santa Claus after rescuing him in the D&D game?
In which episode did the band 'Footprints on the Moon' make their first appearance?
What prestigious award did Dennis Kim win as the youngest recipient?
What scientific theory developed by Sheldon Cooper and Amy Fowler was confirmed by Fermilab physicists in the episode?
What character did Kunal Nayyar portray on the CBS sitcom The Big Bang Theory?
What was the correct answer to the final Physics Bowl question?
What news does Priya receive from her parents that causes Leonard to reveal their relationship?
What unusual drawing did Howard submit on Sheldon's friendship questionnaire?
What does Penny realize she is passionate about after talking with Bernadette in this episode?
In which episode did the Comic Center of Pasadena first appear?
What reason does Sheldon give for opposing the dining room table in Season 7 Episode 16?
What name did Bernadette choose for her son's middle name in 'The Neonatal Nomenclature'?
What gift did Wil Wheaton give Sheldon in "The Russian Rocket Reaction" that led to their reconciliation?
How does Sheldon contract the flu that prevents him from going to Switzerland?
What did Stuart give Denise to make up for refusing to move in with her initially?
What unconventional method do Leonard and the group use for recreation at the end of the episode?
Why does Penny confront Alicia in the laundry room?
What was the main reason the unaired pilot underwent significant changes before becoming the series premiere?
What unusual item does Dr. Lorvis show to Penny and Amy during their visit?
What activity do Howard and Raj end up doing with Bert instead of Amy in Season 7 Episode 13?
How does Mary Cooper ultimately get Sheldon and Amy back together?
In the episode where Howard goes fishing with his father-in-law, what activity do they actually end up doing instead?
Why does Howard initially refuse to move his belongings on the day planned with Bernadette?
Who convinced Sheldon to leave the bathroom and join his own birthday party after his initial panic?
What significant event occurs between Denise and Stuart in "The Maternal Conclusion"?
What is Josh Wolowitz's occupation?
In Season 4 Episode 14 of The Big Bang Theory, what activity does Sheldon undertake to improve his lecture skills?
During the girls' night out, what song does Amy sing after kissing Penny?
Where did Howard and Bernadette's wedding ceremony take place?
What scientific concept does Amy explain during her appearance on the Professor Proton show?
What scientific concept does Sheldon use to describe the uncertainty of Leonard and Penny's relationship before their first date?
What did Sheldon use to enter Penny's apartment without her permission?
What Nobel Prize-winning work did George Smoot conduct with John C. Mather?
What significant revelation about her feelings does Amy make to Sheldon during their conversation at her apartment?
What hobby is Judy Greer known for, as mentioned in her trivia?
What was the original prototype name for the device used as the Shelbot?
What unusual similarity is noted between Sheldon and Amy's research subject?
What reason does Bernadette give for lying to Howard about her plans?
Why did Sheldon Cooper's team lose the Physics Bowl despite knowing the answer to the final question?
Which character did Ramona consider her rival?
What did Penny give Leonard as a romantic gift?
What unusual method does Sheldon attempt to use against Leonard during their argument at the conference?
Which celebrity guest stars as himself in the episode 'The Gates Excitation'?
What substance does Sheldon consume against his principles to help complete Penny's large order on time?
What is the reason Sheldon gives for his dancing skills when questioned by the girls?
Who is left in charge of baby Halley when Bernadette goes out with Penny and Amy?
What solution does Penny propose to improve her relationship with Beverly Hofstadter?
What method does Penny coach Amy to use in order to express her anger at Sheldon?
What profession did Dr. V. M. Koothrappali practice before presumably retiring?
Which member of the Science Quartet is the only one who has won a Nobel Prize?
What is Howard Wolowitz's complaint about Raj's People Magazine feature in Season 2 Episode 4?
Which scientist hosted the 2014 TV series Cosmos: A Spacetime Odyssey?
Why did Raj's father cut off his allowance in this episode?
What did Sheldon incorrectly claim about the physics of moving Penny's furniture up the stairs?
In which episode does Sheldon Cooper have a nightmare about Goofy after visiting Disneyland?
What military rank does Richard Williams hold?
What unexpected task does Bernadette assign to Sheldon to get back at Howard?
Which member of the Science Quartet is the only one without a Ph.D.?
What habit do Larry Fowler and his daughter Amy share?
In Season 3 Episode 4, what is the reason Raj might be deported back to India?
What unexpected activity did Penny organize for Amy's bachelorette party after the initial quilting bee?
What causes the science panel to descend into chaos during the conference?
What does Amy dramatically demand from Sheldon during their dinner date when frustrated by his indecision?
What analogy does Leonard use to convince Sheldon to agree to the cohabitation experiment in Season 10 Episode 4?
What was the name of the character Sheldon Leonard frequently played on "The Jack Benny Program" radio show?
What significant romantic development occurs between Penny and Leonard at the end of this episode?
What item does Sheldon want to return to Pottery Barn in this episode?
What is the nationality of Dr. V. M. Koothrappali?
Why did Raj temporarily move in with Howard and Bernadette?
In the UK, which channel primarily airs The Big Bang Theory?
What type of lamp is located to the left of Howard Wolowitz's bed?
What prank does Bernadette help Howard pull on Sheldon?
How many siblings does Leonard Cooper have?
What nickname did Rajesh Koothrappali use for Janine Davis?
Why does Penny end up sleeping at Leonard and Sheldon's apartment in Season 1 Episode 7?
Why did Priya Koothrappali refuse to tell her parents about her relationship with Leonard?
What year did Young Sheldon first air on CBS?
How did the producers of The Big Bang Theory pay tribute to Carol Ann Susi after her death?
What does Penny use to convince Sheldon to go to the hospital in this episode?
What does Penny compare Sheldon to when explaining her enduring affection for him despite his flaws?
What historical project inspired the names of Sheldon's cats?
What realization does Penny have about her relationship with Amy in Season 11 Episode 12?
What project did Colonel Williams task Leonard, Howard, and Sheldon with developing?
Why does Sheldon initially refuse to watch the new Professor Proton show?
Despite initially resisting, who does Raj end up spending the night with at the end of the episode?
In which episode did Ramona Nowitzki first appear on The Big Bang Theory?
What do Leonard and Penny give Sheldon to convince him to come home in Season 3, Episode 7?
What embarrassing secret does Penny reveal to Sheldon in Season 7 Episode 1?
How does Howard attempt to reconcile with Raj after the kite-fighting incident in Season 3 Episode 6?
In the episode "The Herb Garden Germination", what rumor does Amy Farrah Fowler start to test how quickly gossip spreads?
In Season 6 Episode 22 of The Big Bang Theory, what childhood television personality do Leonard and Sheldon hire to perform at their apartment?
In the episode where the group attends a science conference, what causes Howard and Bernadette to argue?
What opportunity does NASA offer Howard in this episode?
Who surprises Penny by appearing in the orangutan costume on the set of Serial Ape-ist 2?
Which celebrity Dungeons & Dragons player causes Penny to become particularly excited upon learning of their participation?
What does Howard use to simulate driving for Sheldon's practice?
What gift does Bernadette give Howard that leads to an argument?
What event caused Season 3 of Young Sheldon to be shortened to 21 episodes?
What international bestseller did Stephen Hawking write?
What unexpected legal situation did Penny discover she was in regarding Zack Johnson during a Thanksgiving dinner?
What does Howard compare Bernadette to while she is on bed rest during this episode?
Which character did Alfred Hofstadter develop a romantic interest in during his appearances?
What did Leonard sarcastically call himself after stopping Penny's advances?
What gift did Penny give Sheldon that emotionally moved him in the Christmas episode?
What does Sheldon Cooper do after deciding not to report Howard and Bernadette for zoning violations?
Who played Professor Proton in Season 7?
How does President Siebert describe Sheldon to Leonard in "The Benefactor Factor"?
What compromise do Leonard and Sheldon reach regarding Leonard moving in with Penny?
What groundbreaking discovery about black holes did Stephen Hawking publish in 1974?
What does Howard use to disrupt Sheldon's teaching, causing Sheldon to report him to Human Resources?
In which episode did Randall first appear in person?
What unexpected positive outcome results from the Mars rover being stuck in a crevasse?
What reason did Penny give for wanting to learn physics from Sheldon?
On what date did the retrospective special air?
How did Leonard Hofstadter finally stand up to Jimmy Speckerman during his apartment visit?
What action does Bernadette take to try to calm Howard during his space anxiety attack?
What unusual method does Amy reveal she used to sever the webbing between her toes at age 14?
What was the focus of Alex Jensen's doctoral dissertation at Caltech?
What is the name of Howard and Bernadette's first child?
What method does Penny use to get Sheldon to apologize to Leonard?
What fictional suitor does Amy threaten to leave Sheldon for during her confrontation?
What does Penny say to Leonard when she sees him returning home the morning after his date?
What is the reason Howard gives for Christy breaking up with him in Season 1 Episode 7?
What was the title of Bill Nye's first appearance episode on The Big Bang Theory?
Where did Amy take Sheldon for Valentine's Day in Season 7?
What was the first activity the female trio did together that marked the beginning of Penny's Posse?
Why did Howard initially believe Stuart was bringing Mrs. Wolowitz to the prom?
What military conflict did Buzz Aldrin participate in as a fighter pilot?
What action does Bernadette take that angers Howard regarding his space mission?
Which Disneyland attraction trapped Leonard Hofstadter, making him seasick according to Penny and Bernadette?
In Season 8 of The Big Bang Theory, what device did Howard Wolowitz use to deliver the first pitch at a Los Angeles Angels game?
In the episode where Howard and Raj go to a Goth club, what does Sheldon use to try to modify Penny's behavior?
In what year did Sheldon Cooper's grandfather Pop-Pop pass away?
What superhero identity argument do Howard Wolowitz and Rajesh Koothrappali have in this episode?
Why does Penny initially complain about Dr. Gallo?
According to Mary Cooper, what did she assume would happen to Sheldon in his later years?
How does Sheldon ultimately defend Amy to Meemaw?
Which character from The Big Bang Theory had to dress as Wonder Woman after losing a bowling bet?
Why does Leonard end up in the hospital during a date with Stephanie?
What major life decision does Penny reveal to Leonard in this episode?
What childhood lesson does Mary Cooper remind Sheldon of when convincing him to apologize in Season 1 Episode 4?
In which television show did Danica McKellar play the character Winnie Cooper?
What does Howard impulsively purchase without consulting Bernadette?
Which real-life astronaut appears in the episode to give Howard advice about the first pitch?
In Season 12 Episode 8 of The Big Bang Theory, what causes Raj to temporarily lose his ability to speak to Anu?
What unusual living arrangement does Stuart Bloom have with the Wolowitz family?
Which celebrity guest stars as himself at the Star Wars: The Force Awakens premiere and causes a stir by wearing Star Trek attire?
Who makes a surprise appearance at the soup kitchen in the Season 9 Thanksgiving episode?
What does Sheldon suggest naming the differential equations app?
What scientific explanation does Sheldon give for not refrigerating bread while making Cylon toast in Season 3 Episode 6?
Why did Penny and David Underhill break up?
What was the premiere date of Season 7 of The Big Bang Theory?
Where does Sheldon retreat to after learning his research data was faked?
What superhero costume did Leonard wear in the episode "The Justice League Recombination"?
In the episode 'The Recombination Hypothesis', what significant event occurs between Leonard and Penny?
What scientific breakthrough excites Sheldon into wanting to procreate with Amy in Season 10 Episode 8?
What causes Raj significant anxiety in this episode?
Which science fiction author's books did Pop-Pop try to get Meemaw to read?
Which character is known for being unable to speak to women unless under the influence of alcohol?
In Season 11 Episode 14 of The Big Bang Theory, what causes Raj to become involved in a romantic triangle?
Which character discovered an unopened letter from Sam Wolowitz to Howard in Howard's closet?
Which iconic set is specifically mentioned as being toured in the retrospective special?
How did Barry Kripke mock Sheldon after Leonard disproved the discovery?
Who directed the Season 9 episode where Sheldon reveals his engagement plans?
What nickname does George Cooper Jr. tell Sheldon to use when addressing him during their meeting in Texas?
How does Howard Wolowitz attempt to make Raj feel bad about not working on the NASA project with him?
What is the house number of Wil Wheaton's fictional home in The Big Bang Theory, referencing his Star Trek role?
What does Sheldon change his Wi-Fi password to in this episode?
In which episode of The Big Bang Theory Season 6 do the main male characters visit Howard's old middle school to promote science to female students?
What team name does Sheldon create for the bowling rematch against Wil Wheaton's team?
What Latin phrase did Sheldon use to assert his ownership of the lawn chair that became his original spot?
What prank did Barry Kripke play on Sheldon during his NPR interview?
In Season 9 Episode 6 of The Big Bang Theory, what illegal substance do Sheldon and Leonard attempt to purchase to conduct their experiment?
What does Sheldon finally say to make Ramona leave his apartment?
How many episodes does Priya Koothrappali appear in?
What is the name of the comedy film co-written by Melissa Rauch and her husband, centered around a former gymnastics bronze medalist?
In which episode does Dr. Gallo first appear?
How does Raj react when he learns the New Horizons probe is functioning?
What item do Sheldon and Amy find in the coffee shop's lost and found box?
What excuse do Leonard and Howard give their wives for leaving the lab?
In the Season 7 finale of The Big Bang Theory, what major life change causes Sheldon to impulsively leave Pasadena?
What is President Siebert's warning to the feuding scientists at their luncheon?
What did Sheldon repeatedly shout while hiding from Leonard in the ball pit?
What preserved gift from Leonard does Penny find on her bedside table in Season 4 Episode 17?
What embarrassing information did Penny and Bernadette reveal to Anu about Raj during their dinner?
What tribute did the cast and crew create for Carol Ann Susi, who voiced Mrs. Wolowitz, after her passing?
What compromise does Sheldon eventually make to attend the Renaissance Fair again?
What is the primary reason for Raj's breakup with dermatologist Emily Sweeney?
In the Season 9 Thanksgiving episode of The Big Bang Theory, what activity do Sheldon and Amy do together?
What does Bernadette demand that Howard do regarding his living situation?
What was the primary reason Leonard Hofstadter wanted to end his relationship with Stephanie?
What item does Sheldon force Leonard to wear as punishment for failing to return a DVD?
Which character did Eric Gablehauser have a romantic interest in?
What significant event occurs during Sheldon and Amy's Nobel Prize acceptance speech that surprises Penny?
How many tattoos does Emily Sweeney have?
What solution did the university propose to Sheldon in "The Junior Professor Solution"?
What is the name of Raj's new iPhone feature that he develops an attachment to?
In which animated film did Kunal Nayyar voice the character Gupta?
What was the primary reason for Alfred Hofstadter's divorce from Beverly?
What is the sex of Howard and Bernadette's second child revealed to be in this episode?
Where does Bernadette secretly hide to get away from her family in Season 12 Episode 7?
What change does Amy make to her appearance after winning the Nobel Prize?
What significant event occurs in the Season 11 finale 'The Bow Tie Asymmetry'?
Why does Stuart move out of Howard and Bernadette's house in this episode?
What does Sheldon wear on his head to rebel against his mother's expectations during their Texas visit?
What does Penny compare the guys' inability to protect themselves from Alicia's advances to?
What scientific phenomenon was Sheldon attempting to study at the North Pole?
In which apartment did the painting of Penny and Amy end up being displayed after Penny moved?
What university did Colonel Williams and Howard Wolowitz both attend?
Why was Stuart Bloom dressed in a costume when he arrived at the viewing party?
How does Howard ultimately convince Bernadette not to call off the wedding?
Who did Leonard dress as for Penny's Halloween party in Season 1 Episode 6?
What scientific journal featured Amy Farrah Fowler's paper on the cover in Season 5 Episode 12?
What does Bert buy Rebecca after their breakup in an attempt to win her back?
In Season 7 Episode 23 of The Big Bang Theory, what causes Mrs. Wolowitz to break her leg?
What is the main reason Penny gives for not wanting to acknowledge her Halloween kiss with Leonard as their 'first kiss'?
What recurring sound interrupts Howard and Bernadette in their home?
For how many seasons did Kaley Cuoco portray Penny on 'The Big Bang Theory'?
Why does Raj become upset after reading Lucy's blog in The Closure Alternative?
What is the name of the annual day celebrating Leonard's contributions to Sheldon's life?
How does Penny react when she realizes Priya wants Leonard to avoid her?
What engineering contribution did Bill Nye make to the Boeing 747?
What pseudonym does Mikayla use when introducing herself to Howard?
In the episode where Priya uses her legal expertise to nullify Sheldon's claims against Leonard, what method does Sheldon ultimately use to force Leonard to sign a new Roommate Agreement?
What unexpected activity did James Earl Jones take Sheldon to after their dinner in Season 7 Episode 14?
What does Sheldon request at City Hall after deciding not to get married there?
What game are Leonard, Howard, Raj, and Sheldon playing when Howard learns his mother is at the hospital in Season 4 Episode 23?
Which day of the week was reserved for watching Firefly according to the Roommate Agreement?
What university did Richard Feynman join in 1950, where he remained for the rest of his career?
What song do Penny and Sheldon sing while working together on Penny's business venture in Season 2 Episode 18?
What university did Bert Kibbler attend, as indicated by a certificate in his office?
What did Bert Kibbler bring Amy Farrah Fowler every day when he had a crush on her?
In the episode where Howard gets dumped by Leslie, where do Leonard and Raj take him to help him get over the breakup?
What realization does Howard have about Bernadette during the dinner scene in "The Leftover Thermalization"?
What was the date of Leonard and Penny's first official kiss?
What does Sheldon discover in Penny's closet at the end of the episode?
What event caused the destruction of the Comic Center of Pasadena in season 7?
How did the rest of the group watch Leonard and Penny's wedding ceremony?
In which season did Raj and Emily first meet?
Who officiated Sheldon and Amy's wedding after replacing Wil Wheaton?
What song did Barry Kripke sing during the wedding recessional?
In the episode "The Excelsior Acquisition", what does Sheldon Cooper receive from Stan Lee after misunderstanding an invitation?
What does President Siebert instruct Sheldon and Amy to do regarding the Nobel Prize situation in Season 12 Episode 19?
Where do Leonard and Penny decide to get married at the end of Season 8?
What color was Sheldon's Green Lantern shirt when he was angry about not getting The Lord of the Rings ring prop?
How did Eric Gablehauser typically address Howard Wolowitz?
What childhood incident involving a Halloween costume does Sheldon cite as an example of George's torment?
Who replaces Stuart in Wil Wheaton's celebrity Dungeons & Dragons game in Season 12 Episode 16?
What snack food, first introduced at Disneyland in 1964, does Officer Hernandez eat while investigating Sheldon's robbery in "The Locomotion Interruption"?
What activity do Leonard and Penny engage in to avoid becoming a 'boring couple'?
What musical instrument does Leonard play in Season 1, Episode 5?
What childhood project of Sheldon's involved attempting to obtain uranium from Chad?
What was the name of Howard's dog that led to Mark Hamill's involvement in The Big Bang Theory?
What speech impediment causes Barry Kripke to pronounce 'R' and 'L' as 'W'?
What nationality is Issabella?
Which character gave Emily the nickname 'Junior'?
In the Season 9 finale of The Big Bang Theory, what unexpected connection begins to form between Leonard's father and Sheldon's mother during the pre-wedding dinner?
In Season 10 Episode 5 of The Big Bang Theory, what significant compromise does Sheldon make to resolve his conflict with Amy about living together?
What significant character trait differentiated the unaired pilot's Sheldon Cooper from his series counterpart?
What superhero character appears to Sheldon in the Caltech cafeteria and encourages him to try an energy drink?
What financial solution did Penny and Leonard agree upon for the money from the sold car?
What unusual physical feature does Amy offer to show Bernadette in Las Vegas?
Under what specific circumstance did Sheldon first hold Amy's hand without citing the Relationship Agreement's exceptions?
Who provided the correct answer to the final Physics Bowl question for Sheldon's team?
According to the Relationship Agreement, when is Leonard allowed to play video games in his underwear?
What activity do Penny, Bernadette, and Amy engage in while the male characters are at the middle school?
In Season 7 Episode 13 of The Big Bang Theory, what career change does Penny make?
What does Sheldon attempt to do after realizing Amy has changed him?
What conclusion does Raj reach after his daydreams about Bernadette?
What was the reason Dr. V. M. Koothrappali and his wife eventually divorced?
What Vulcan phrase does Sheldon use to tell Amy to 'go to hell' after seeing her kiss another man?
Who guest stars as himself in Sheldon's 'Fun with Flags' episode, leading to conflict with Amy?
What is Raj's plan for his first formal date with Lucy in this episode?
In the Season 6 Valentine's Day episode, what unconventional gift does Sheldon give Amy that moves her to tears?
What is the name of Sheldon's battle ostrich that was stolen in the hack?
How does Sheldon attempt to resolve his conflict with Amy after siding with Wil Wheaton?
In the ninth season episode where Leonard and Penny struggle with their marriage after his confession, what does Sheldon do to try to make Amy jealous?
What precaution does Sheldon mention he uses in his own bathtub to prevent slipping, which Penny lacked?
What band does Bert join to replace Howard Wolowitz in Season 11 Episode 13?
What is the primary reason for censorship in UK airings of The Big Bang Theory?
What does Sheldon offer to do for Howard when he is upset?
What reason does Bernadette give for the trip to Las Vegas with her colleagues?
What does Sheldon say to the cleaning staff when they spot him in the cafeteria at night?
Why was Sheldon reluctant to call Amy for help after being robbed?
In Season 11 Episode 22 of The Big Bang Theory, what unconventional method does Sheldon attempt to raise funds for his scientific experiment?
What unusual talent did David Underhill possess?
Why did Raj ultimately move out of his apartment in Season 10?
What profession does Emily Sweeney practice?
What does Howard find waiting for him when he returns to his mother's house after being kicked out by Bernadette?
What did Raj confess to doing with Sheldon's toothbrush?
What fan fiction genre did Amy Farrah Fowler write that embarrassed her when discovered?
What movie role does Penny decline at the beginning of Season 7 Episode 17?
What causes Sheldon to add Brent Spiner to his 'mortal enemies' list?
How do Sheldon and Kripke ultimately determine who gets Professor Rothman's office?
What role-playing game, first published in 1974, is widely regarded as the beginning of modern role-playing games?
How did Sheldon ultimately resolve the parking spot dispute with Howard?
In Season 8 Episode 20 of The Big Bang Theory, what significant event occurs between Sheldon and Amy?
What secret did Leonard keep from Penny that was revealed during a game of "Never Have I Ever" at the cabin?
Why does Sheldon want to befriend Barry Kripke?
What theory does Howard propose about Sheldon's potential method of reproduction?
Which character appears via a thirty-year-old VHS tape in "The VCR Illumination"?
Which character did Stephanie Barnett initially go on a date with before becoming involved with Leonard?
Which celebrity joined Wil Wheaton for the final Dungeons and Dragons game in the series finale?
How does Howard Wolowitz create conflict with Bernadette in this episode?
During Beverly's visit in "The Maternal Congruence", what reason does Howard give for Bernadette's absence?
What unique feature did Howard Wolowitz use to ignite his Luke Skywalker lightsabers displayed on his bedroom wall?
What realization causes an argument between Leonard and Penny?
In Season 5 Episode 17 of The Big Bang Theory, what method do Sheldon and Barry Kripke use to resolve their dispute over Professor Rothman's office?
What is Beverly Hofstadter's surprising confession to Penny during their night out at the Cheesecake Factory in "The Maternal Congruence"?
In Season 10 Episode 7 of The Big Bang Theory, what secret language do Amy and Penny use to communicate privately?
What significant achievement did Buzz Aldrin accomplish on July 21, 1969?
In Season 10 Episode 12 of The Big Bang Theory, what event causes Bernadette to become emotional and question her parenting abilities?
In Season 2, Episode 14 of The Big Bang Theory, what financial problem does Penny face that leads Sheldon to loan her money?
What significant event occurs between Sheldon and Amy at their wedding ceremony?
What condition prevents Raj from speaking to women?
Which astronaut was known as 'Dr. Rendezvous' due to his expertise in orbital mechanics?
What is the name of the algorithm Sheldon creates to make friends?
How does Sheldon contract a fever in Season 5, Episode 6?
In Season 3 Episode 21 of The Big Bang Theory, what awkward greeting does Leonard use when meeting Dr. Elizabeth Plimpton?
What is the birth name of actress Judy Greer?
What classic novel does Sheldon attempt to ruin for Amy in retaliation?
Which activity involved Sheldon placing his hand over his heart after Amy left?
What did Sheldon use to communicate after being diagnosed with an inflamed larynx?
What award did Sheldon Cooper win in the episode "The Pants Alternative"?
In Season 7 Episode 5 of The Big Bang Theory, what experiment does Amy Farrah Fowler conduct at Caltech?
What movie do Raj and Howard watch at Mrs. Wolowitz's house?
What unusual method does Penny use to open Sheldon's Japanese puzzle box?
What did Raj give Emily that led the group to suspect she was a gold-digger?
Why does Bert consider Amy the 'coolest girl on campus'?
After their trip to Disneyland in Season 3 Episode 20, what problem does Sheldon experience that Leonard had predicted?
What song do Penny and Leonard sing to help Sheldon fall asleep in Season 8 Episode 13?
What does Sheldon suggest Leonard do when his Skype call with Priya freezes during their intimate moment?
What explanation does Leonard give Penny for sleeping with Dr. Plimpton in Season 3 Episode 21?
What is the primary role of the Dungeon Master in a Dungeons & Dragons game?
What surprising event occurs during the group dinner at the Cheesecake Factory in this episode?
Why does Raj Koothrappali get disqualified early from the Dungeons & Dragons game?
What unexpected event occurred between Leonard Hofstadter and Mandy Chow during his North Sea expedition?
What does Raj do in an attempt to impress the tenure committee, which involves a lengthy personal presentation?
What job position does Denise hold at Stuart's comic book store?
How did Amy actually spend most of her bachelorette party after going to the bar?
What item belonging to Sheldon does Penny accidentally damage with a paintball gun?
In Season 5, Episode 6, why is Sheldon upset with his mother during her visit?
What does Priya correctly explain as the origin of the word 'toast' in this episode?
What compromise do Leonard and Penny make with Sheldon at the end of the episode?
What television series did Sheldon insist on watching every Friday night according to the initial Roommate Agreement?
Who does Sheldon unexpectedly connect with during Raj's double date at the university mixer?
What instrument does Sheldon play to annoy the team after being kicked out?
How does Leonard manipulate Penny in Season 7 Episode 4 by discussing his mother's book?
What historical inaccuracy at the Renaissance Fair does Sheldon specifically criticize regarding alcoholic beverages?
What consequence did Sheldon face after visiting Stan Lee's house uninvited?
How does Leonard ultimately resolve the grant allocation dilemma in Season 12 Episode 7?
What condition prevents Raj from speaking to women unless he consumes alcohol?
What was the baby's full name as revealed at the end of the episode?
How does Wil Wheaton distract Sheldon during the bowling rematch?
Why did Raj and Anu call off their wedding?
In Season 11 Episode 12 of The Big Bang Theory, who does Sheldon initially choose as his best man after his friends confront him about the wedding tests?
What was the primary reason Sheldon Cooper held a grudge against his childhood friend Tam?
Which university did Priya Koothrappali attend?
Which season 5 episode had over three minutes of content cut in UK broadcasts?
What significant financial change did Raj make regarding his father in "The Allowance Evaporation"?
What mathematical description did Sheldon use to define his spot in "The Cushion Saturation"?
What was the name of the website that granted Mark Hamill the authority to officiate the wedding?
What does Sheldon give Amy as a birthday present in Season 10, Episode 11?
Why couldn't Bernadette ride a bike when she was younger, according to her mother's reasoning?
How did George Smoot react when Sheldon Cooper proposed a collaboration?
What false information did Bernadette share about Penny during the dinner with Priya and Leonard?
What significant gesture did Sheldon make toward Amy during Howard's rocket launch?
What unusual method does Howard use to explain Leonard's dating prospects after the psychic argument?
What was the name of the comic book store owned by Stuart Bloom in The Big Bang Theory?
What activity are Howard and Stuart doing when they are caught skipping daycare with Halley?
Who was Riki Lindhome's musical partner in the duo Garfunkel and Oates?
What game did Barry Kripke play during his appearance on "Fun with Flags"?
What unfortunate incident occurs when Sheldon wears his new footwear?
In Season 2 Episode 7 of The Big Bang Theory, what does Sheldon Cooper do to Penny's laundry after she prevents him from doing his own?
What surprising dislike did Anu reveal to Raj?
What role-playing scenario does Dr. Plimpton initiate with Howard when he arrives at Raj's apartment in Season 3 Episode 21?
What unexpected confession does Sheldon make during Leonard and Penny's vow renewal?
What recurring issue does Raj Koothrappali repeatedly mention to Howard Wolowitz throughout the episode, causing tension between them?
What did James Earl Jones offer to do for Sheldon and his friends at the end of Season 7 Episode 14?
Why does Amy kick Sheldon out of her apartment during their date night in Season 8 Episode 13?
What did Penny reveal she hated about her job during her argument with Leonard?
Why does Amy hire Stuart after Sheldon hires him to shop with her?
What secret did Leonard reveal to Penny that caused tension after their wedding?
What specific phobia does Sheldon Cooper face in the episode where a black-throated magpie-jay enters his apartment?
What significant event occurred during Leonard and Penny's Halloween party involving Anu?
What alternative wedding venue did Amy suggest after learning about the Athenaeum Club conflict?
What role did Amanda Walsh play in the unaired pilot of The Big Bang Theory?
What was Bernadette's criticism of Penny's depiction in the painting?
In Season 6 Episode 6 of The Big Bang Theory, what word does Sheldon play in Words with Friends that leads to Stephen Hawking calling him a loser?
What injury does Leonard sustain during his dinner with Penny in Season 1 Episode 3?
What is Raj's full name as revealed in this episode?
What is the name of the robot built by the guys for the Southern California Robot Fighting League Round-Robin Invitational?
What is the name of Barry Kripke's fighting robot?
In Season 9 Episode 12 of The Big Bang Theory, what does Penny ask Leonard to do so she can make a sales call to Dr. Gallo?
In Season 12 Episode 16 of The Big Bang Theory, what causes Sheldon to vomit on William Shatner during their meeting on Professor Proton's show?
Where did Leonard and Penny get married in the Season 9 premiere?
How does Sheldon Cooper injure himself while trying to cope with jealousy in this episode?
What did Bernadette cast on Sheldon and Amy's characters during the Dungeons & Dragons game?
What does Raj accidentally reveal about Howard and Bernadette's baby in Season 10 Episode 4?
After Debbie Wolowitz's death, how did Sam Wolowitz transfer ownership of the house to Howard?
While helping Penny get dressed, what does Sheldon accidentally grab instead of her arm?
What song does Penny sing to help Sheldon fall asleep?
What reason does Penny give during her job interview for why she'd be good at pharmaceutical sales?
Which team won the Physics Bowl competition in Season 1, Episode 13 of The Big Bang Theory?
How do Howard, Leonard, and Raj decide who gets to ask Missy out?
Why did Emily initially reject Raj after their first meeting arranged by Amy?
What unusual family business did Denise's parents own?
What does Penny decide to do at the end of Season 6 Episode 12 to feel more intellectually connected to Leonard?
What was the name of Leonard's Physics Bowl team after Sheldon left?
In Season 11 Episode 10 of The Big Bang Theory, what job does Rajesh Koothrappali interview for at the Griffith Observatory?
Which avenue does Sheldon specifically complain about due to its speed bumps?
What does Bernadette shout to interrupt Howard and her father's conversation about having children?
Which character acted as an interpreter during Raj and Emily's first date?
What gift idea does Sheldon initially consider for Amy that involves her knitting hobby?
What did Sheldon serve Leonard at the end of the episode that caused him to spit it out?
In which episode of The Big Bang Theory does Martha appear?
Which character makes their final main cast appearance in this episode before a guest return years later?
What did Howard do after Bernadette asked him to define their relationship?
What reason does Dr. Plimpton give for visiting Leonard's room late at night in Season 3 Episode 21?
What childhood nickname does Penny reveal her father gave her in Season 2 Episode 15?
Who helps Howard practice for his first pitch by setting up the regulation distance in the Caltech gym?
What did Penny use to pierce Amy's ears during the mini-bachelorette party?
In Season 7 Episode 12 of The Big Bang Theory, what significant event occurs between Penny and Leonard after her acting role is cut?
In the season 12 episode 'The Tam Turbulence', how does Sheldon taunt Tam from the ball pit?
What was the name of Sheldon's roommate immediately before Leonard?
What is the name of the comic book store owner who takes Leonard's picture for the 'Wall of Heroes'?
What university did Bill Nye attend, where he earned his Bachelor of Science degree?
Why does Bernadette get upset during the car ride with Howard and Raj?
In Season 11 Episode 23 of The Big Bang Theory, what condition does Amy contract from the Wolowitz children?
What is Jeanie's familial relationship to Howard Wolowitz?
How does Sheldon initially react internally to Amy's potential move to Princeton, despite his supportive words?
In which city was Neil deGrasse Tyson born?
What prestigious grant did Bert Kibbler win that made Sheldon Cooper jealous?
Which actor portrays Sheldon Cooper in Season 11 of The Big Bang Theory?
How does Raj initially meet Emily Sweeney in this episode?
What significant family role was Halley supposed to play in Sheldon and Amy's wedding?
What analogy does Sheldon use that offends Howard when begging to meet Hawking?
What does Leonard give Penny to make their bedroom feel more like her own?
In which episode did Barry Kripke first appear?
What significant change occurs in Penny's career during Season 8?
How does Raj gain the ability to speak to women without alcohol in Season 7?
Who portrayed Mrs. Rostenkowski in her appearances?
What scientific breakthrough did Sheldon and Amy develop just before their wedding ceremony?
What method does Penny use to convince Todd Zarnecki to return Sheldon's stolen World of Warcraft items?
What did Leonard Hofstadter's mother require her children to do on their own birthdays?
What unusual method does Sheldon use to stay awake while working, as seen in Season 8 Episode 13?
What is the minimum advance notice Amy must give Sheldon before taking a trip, according to their Relationship Agreement?
Who helps Amy deal with Bert's unwanted attention in Season 7 Episode 13?
What realization did Penny have after hearing about Leonard's encounter with Jimmy?
What song did Howard adapt to apologize to Bernadette after his failed proposal?
Why does Robert Wolcott collect the cellphones of visitors?
Why did Alex Jensen file a sexual harassment complaint against Sheldon Cooper?
What is the topic of Alex Jensen's dissertation research?
What advice does Raj's father give him to improve his confidence?
Why does Leonard confront his mother Beverly during her visit in "The Maternal Congruence"?
What problem do Howard and Bernadette face upon returning from Florida?
In Season 6 Episode 13 of The Big Bang Theory, what Star Trek series do the main characters dress as for the Bakersfield Comic-Con?
What conflict arises between Raj and Howard in the episode?
Which language did Sheldon attempt to use for the wedding vows before being stopped?
What is Sheldon's initial reaction when Howard announces Bernadette's pregnancy?
What fear does Halley Wolowitz develop that inspires Bernadette to create a children's book?
What tradition from JPL does Howard mention regarding rocket launches, causing disagreement with Sheldon?
Which artwork replaced the 'Unidentified picture of ship on orange sunset' in Leonard's bedroom during season 3?
Why did Penny initially agree to date Zack again before the New Year's Eve party?
What beverage does Amy Farrah Fowler request during her first meeting with Sheldon?
In which episode did Leslie Winkle make her final appearance?
What reason does Penny give for why she can't stop taking acting classes despite her financial troubles?
What condition allows Raj to speak comfortably with Emily during their first date?
What song does Amy sing during 'girlfriend-boyfriend sing-along night'?
What valuable item do the guys find at a garage sale in "The Precious Fragmentation"?
What nickname did Penny give to Sheldon's Mobile Virtual Presence Device?
Why did Rajesh Koothrappali initially begin sharing Sheldon Cooper's first office at Caltech?
Why does Raj lose the job opportunity with Dr. Laughlin's research team?
What song does Howard sing to Bernadette at the karaoke bar after learning about her pregnancy?
What unusual Christmas decoration does Sheldon contribute to Leonard and Penny's tree in "The Maternal Congruence"?
What significant gift did Sheldon and Amy receive from Stephen Hawking after their wedding?
How did Amy Farrah Fowler react when she learned that Ramona kissed Sheldon?
What secret does Amy reveal to Bernadette about her plans with Sheldon in Season 6 Episode 2?
What was the name of the smartphone app created by Leonard, Howard, and Raj that solved differential equations using handwriting recognition?
What song do Howard, Raj, and Stuart sing while cleaning Bernadette's kitchen?
What song did Sheldon sing to cope with his claustrophobia in the tunnels?
What gadget does Howard create to avoid exercising in Season 9 Episode 5?
How did Leonard and Penny end up celebrating Valentine's Day after leaving the restaurant?
Why does Mary Cooper initially refuse to celebrate Thanksgiving with Georgie in the Season 1 episode?
Which actress plays the younger version of Mary Cooper, Sheldon's mother?
What company has published Dungeons & Dragons since 1997?
What does Sheldon experience in his nightmare after the group acquires the time machine?
What did Penny do that surprised Raj in the hallway?
Which landmark is visible from Sheldon and Leonard's apartment window?
In the episode 'The Geology Elevation', what prestigious award does Bert Kibbler win for his geology research?
What exclusive Caltech club did Sheldon and Amy consider for their wedding venue?
Why does Leonard crawl on the floor in his apartment during this episode?
In Season 10 Episode 15 of The Big Bang Theory, what gift does Leonard give Sheldon to get him out of the lab?
What detail did Bert add to his online dating profile that he believes helped him match with Rebecca?
In Season 8 Episode 18, what superhero comic book character's gender change becomes a topic of discussion during the dinner?
What ultimately prevents Sheldon from purchasing either game system in this episode?
Which distinctive piece of furniture in Penny's living room was a Skruvsta swivel chair recovered in green and white fabric?
What was the name given to the Warner Bros. stage where The Big Bang Theory was filmed?
In Season 12 Episode 19 of The Big Bang Theory, what method does Leonard suggest to help Sheldon and Amy relax?
Who is the father of Amy Farrah Fowler?
What experimental treatment does Rajesh Koothrappali undergo to temporarily overcome his selective mutism?
What unusual item does Amy own that Sheldon encounters when bringing her home drunk in "The Agreement Dissection"?
What book by George Smoot did Leonard read on the train to the conference?
In Season 9 Episode 13 of The Big Bang Theory, what method does Sheldon use to apologize to Howard and Bernadette?
What dilemma does Sheldon face at the end of Season 10 Episode 7 regarding his living situation?
Why does Sheldon ask Amy to leave their apartment in Season 11 Episode 13?
What scientific concept was Leonard testing in his experiment that Bernadette found interesting?
Which actor portrayed Penny's brother Randall in Season 10?
What instrument did Amy play during the wedding procession?
What card trick does Howard perform that Sheldon obsessively tries to figure out?
How does Sheldon initially react to Penny's announcement about meeting Bill Gates?
Which character was a main cast member only in the first two seasons?
What country did Albert Einstein immigrate to in 1933?
Why does Penny organize a second wedding ceremony with Leonard in this episode?
What reason does Amy give Sheldon to convince him to attend the fundraiser?
Which member of the Science Quartet is the only one who is not American?
What sarcastic remark did Althea make when Howard arrived at the hospital with a robotic hand grasping his penis?
What reference does Sheldon make when seeing Leonard's oversized Nebraska jersey in Season 3 Episode 6?
What did Wil Wheaton compare his experience with the character Wesley Crusher to when trying to help Sheldon?
What is Stuart Bloom's occupation?
What fictional scenario is covered by the "Skynet Clause" in the Roommate Agreement?
What does Penny promise Sheldon in return if they fall in love during the experiment?
What does Leonard do with the Roommate Agreement after Sheldon quotes it during their argument?
What did Penny give Leonard as a sentimental gesture after selling the car?
Why did Alice kick Leonard out of her apartment?
What character did Margo Harshman portray on The Big Bang Theory?
In which season 10 episode did Emily reveal she had a new boyfriend named Gary?
What unusual item did Howard use to test the repaired space toilet?
What costume did Sheldon wear to Penny's Halloween party in Season 1 Episode 6?
Which character accidentally crashed the Mars rover while trying to impress a woman?
Why does Penny try to seduce Leonard in "The Donation Oscillation"?
In what year was the elevator at 2311 Los Robles Avenue repaired?
In which episode did Mrs. Wolowitz pass away?
In Season 3, Episode 7, what does Sheldon imitate to illustrate his childhood trauma during arguments?
In which episode did Leonard and Penny finally get married?
Which mathematical equation was specifically mentioned as an example that the app could solve?
What does Penny make for dinner when Sheldon visits her apartment in Season 3 Episode 20?
Who did Howard Wolowitz lose his virginity to at his Uncle Murray's funeral?
In which episode does Howard show Raj a magic wand that functions as a TV remote?
Which character, besides Penny, worked as a waitress at The Cheesecake Factory before earning her PhD?
What reason does Sheldon give for Amy breaking up with him during Leonard and Penny's wedding?
In the episode "The Maternal Congruence", what significant event occurs between Beverly Hofstadter and Sheldon Cooper?
What television show cancellation causes Sheldon significant distress in The Big Bang Theory Season 6 Episode 21?
What unconventional solution does Sheldon propose to solve the Middle East crisis after his physics work is undermined?
What was Halley Wolowitz's first word, and to whom did she say it?
What did Dimitri Rezinov say to Howard Wolowitz after witnessing him lie to both his wife and mother?
What significant connection does Dr. Gallo have to Beverly Hofstadter's work?
What do Howard and Raj claim to be drinking at the Goth club to look like they fit in?
How does Amy respond when Sheldon tells her he only wants to be friends at the end of the Season 9 Thanksgiving episode?
What song is sung to comfort Sheldon when he is sick?
Why does Bernadette become extremely competitive during the scavenger hunt?
How does Stephanie react when Leonard tries to discuss slowing down their relationship?
What grade did Penny receive on her history paper after rewriting it with Amy and Bernadette's help?
What iconic Star Wars element does Sheldon emulate when upset about working with Kripke?
While helping Claire with her screenplay, what does Raj daydream about?
What reason did Priya give for being concerned about Leonard meeting her parents?
What research is Amy conducting on starfish in this episode?
What song do Howard and Amy perform together at the end of the episode?
What was the name of Penny's project that Sheldon joined after leaving the differential equation app development?
What does Howard do that causes Summer Glau to break his cell phone?
What solution does Bernadette propose to resolve her disagreement with Howard about having children?
What does Howard Wolowitz do at the soup kitchen in the Season 9 Thanksgiving episode?
Why does Amy temporarily move out of her apartment in later seasons?
How many people from the university signed up for the private beta of the differential equation solving app?
What does Penny have to initial in the Relationship Agreement regarding Leonard?
What activity does Mary Cooper plan instead of attending Saul Perlmutter's lecture with Sheldon?
Why does Howard Wolowitz complain to Bernadette during their video call from the International Space Station?
What unusual characteristic defines the antagonist gorilla in Serial Ape-ist?
Which character is a microbiologist working at Zangen with Penny?
Which Star Trek character, known for his logical demeanor and repressed emotions, serves as a major inspiration for Sheldon Cooper?
What acting role does Penny consider taking in "The Indecision Amalgamation"?
What day was the Xbox 360 officially unveiled on MTV?
What comedy-music duo is Riki Lindhome part of?
What does Raj lie about regarding his new romantic interest Isabella in Season 10 Episode 8?
What song do Beverly Hofstadter and Sheldon Cooper perform together in Season 2 Episode 15?
Which university did Riki Lindhome attend?
What reason does Leonard give for putting up with Sheldon's behavior in Season 7 Episode 7?
What family revelation does Howard Wolowitz receive in Season 8?
What object do Howard and Raj use to blackmail Sheldon into meeting Amy?
What does Amy suggest as a solution when Sheldon says he's tired of Leonard's nonsense?
What code word does the casino employee use when having Sheldon escorted out?
Who offers to cut Sheldon's hair as a solution to his problem in Season 5 Episode 18?
What song is playing on Penny's boombox when Leonard and Sheldon first see her?
In which year was Riki Lindhome born?
Why does Sheldon initially decide to end his web series 'Fun with Flags'?
What fictional universe mix-up causes Sheldon to lose his composure during the military meeting?
Who does Leonard eventually reveal as the true inspiration for the Ilsa character in his novel?
What is the name of Howard Wolowitz's wife?
What reason did Denise give Bernadette for her attraction to Stuart?
What household item did Raj suggest using to fix the space toilet, unaware it wasn't an ISS spare part?
What scientific project was Leonard working on that his mother dismissed in Season 2 Episode 15?
What method do Sheldon and Amy use to select their wedding party members in Season 11 Episode 12?
What special event was being celebrated at Angel Stadium when Howard Wolowitz threw the first pitch?
In Season 8 Episode 5 of The Big Bang Theory, what do the guys attempt to do during their weekend without distractions?
Which celebrity guest surprised Sheldon at his 36th birthday party by appearing as Batman?
Who eventually takes Sheldon to the DMV to get his learner's permit?
In UK broadcasts of The Big Bang Theory, what term describes the time after which adult content is allowed on television?
In the episode 'The Clean Room Infiltration', what experiment are Leonard and Howard conducting in the university clean room?
In the Season 3 finale of The Big Bang Theory, what scientific experiment are Leonard, Sheldon, Howard, and Raj conducting on the apartment roof?
Who officiates Leonard and Penny's vow renewal ceremony?
What food item in Howard's backpack saves the guys from raiding other campsites when they get hungry?
Where did Howard and Bernadette hold their impromptu wedding ceremony in the season 5 finale?
What did Bernadette Rostenkowski-Wolowitz successfully develop at her pharmaceutical company?
What neurological disease confined Stephen Hawking to a wheelchair?
What experiment does Sheldon propose conducting on Howard's children in Season 12 Episode 17?
In Season 7 Episode 17 of The Big Bang Theory, what significant event causes Howard and Sheldon to finally apologize to each other?
What item does Leonard specifically demand to keep during the property division argument?
Where do Sheldon and Amy go to search for clues about their wedding gift?
Which real-life Nobel laureates appear in this episode to support Sheldon and Amy's cause?
In which episode did Howard and Bernadette accidentally lose Cinnamon in the park?
In which episode did Sheldon reveal the names of Leonard's sister's sons?
Which iconic superhero collectible was prominently displayed in Leonard's bedroom?
What insult does Stephen Hawking deliver to Sheldon Cooper at the end of their Words with Friends game?
What activity does Amy suggest using an electric toothbrush for in Season 4 Episode 17?
In Season 7 Episode 2 of The Big Bang Theory, what unexpected side effect does Howard experience from applying his mother's estrogen cream?
Who found Leonard's Batman flash drive containing the Bitcoin stash years after it was lost?
Why does Sheldon prepare yellow roses for his mother's visit?
What reason does Sheldon give for being excited at the end of Season 10, Episode 11?
In which episode does Leonard first meet Stephanie Barnett?
How does Howard initially react when he learns Leonard is dating Stephanie?
What was the primary reason Emily gave for becoming a dermatologist?
What item did Leonard give Sheldon to soften the blow of kicking him off the Physics Bowl team?
What did Sheldon's previous roommate write on Leonard's future bedroom wall?
In Season 8 Episode 4 of The Big Bang Theory, what causes tension between Emily and Penny?
What children's book inspires Sheldon's Friendship Algorithm?
What solution do Howard and Raj devise to avoid waking Halley with squeaky floorboards?
What prestigious university did Colonel Williams attend?
Where did Leonard first meet Alice?
What does Penny discover in Dr. Beverly Hofstadter's book about Leonard's childhood?
Which character is on the tenure committee despite being the Human Resources administrator, leading to awkward interactions with Sheldon?
What hobby of Pop-Pop's resulted in only one successful taxidermy piece?
What reason does Penny give for Bill Gates visiting her pharmaceutical company in Season 11 Episode 18?
Which famous physicist's research expedition did Leonard join in the Season 6 finale?
What does Sheldon insist on watching every Saturday morning in Season 1 Episode 7?
In which episode did Penny correctly guess the regular orders of Leonard, Sheldon, Howard, and Raj at The Cheesecake Factory?
Which Mario-related game was stolen from Leonard and Sheldon's apartment in "The Bozeman Reaction"?
What unusual activity does Penny confess to doing during her high school years?
Which character is Priya Koothrappali's brother?
What significant milestone did "The Celebration Experimentation" episode represent for The Big Bang Theory series?
In the Season 8 episode that aired on September 22, 2014, what promotion does Sheldon receive that requires him to teach a class?
Which character becomes a main cast member starting from Season 4?
In which episode did Wyatt first physically appear on The Big Bang Theory?
How long is Amy's apartment expected to be uninhabitable in Season 10 Episode 4?
Who unexpectedly got caught in Sheldon's foam prank in Kripke's lab?
What activity does Penny participate in at the Van Nuys Comic-Con in this episode?
What unusual method does Howard propose for creating personalized jewelry?
What complication arises regarding Howard Wolowitz's share of the patent profits?
What childhood trauma does Sheldon reveal to Penny that explains his habit of knocking three times before entering a room?
What new hobby does Sheldon enthusiastically adopt in this episode?
What Hogwarts house is Leonard's baseball cap from when Penny sees him wearing it?
What does Leonard trade to Alice for her phone number at the comic book store?
What unusual method does Sheldon use to play his earworm tune after Penny takes away his piano?
In which episode did Sheldon and Amy begin their five-week cohabitation experiment in Apartment 4B?
What reason does President Siebert give for denying Sheldon's request to change his research field?
Which character most frequently mimicked Sheldon's signature knock as a joke or parody?
What is the name of Penny's sister who is mentioned throughout the series?
Who sang as Sheldon and Amy walked down the aisle after their wedding ceremony?
What do Leonard, Howard, and Raj consume in the desert that causes them to get stoned?
In the episode where the guys plan a Star Wars gaming marathon, what event does Sheldon initially agree to attend instead?
What was the main topic of the episode where Sheldon sought revenge on Amy by discussing certain countries?
Which superhero is Sheldon Cooper's favorite, as evidenced by his multiple costume appearances?
What reason did Vanessa Bennet give for being late to meet Sheldon Cooper?
What advice did Wyatt give Leonard at the end of "The Boyfriend Complexity" to reignite Penny's interest?
Who does Sheldon insult by saying dermatologists aren't real doctors, leading to an argument?
In which fictional apartment building are the stairs located that are central to many scenes in The Big Bang Theory?
What television show does Bernadette become obsessed with in this episode?
What magazine does Sheldon consult for advice on getting over his 'breakup' with string theory?
What unique design did Sheldon and Amy use for their 'save the date' wedding cards?
What action causes Raj to get dumped by Ruchi in this episode?
In which episode did Mike Massimino first appear on The Big Bang Theory?
What does Dave Gibbs excitedly shout to encourage Sheldon during the reconciliation scene in Season 9 Episode 10?
How did Penny acquire Stan Lee's home address to surprise Sheldon?
What does Bernadette worry about when leaving Halley at daycare for the first time?
In which episode did Larry Fowler first appear?
Who was Judy Greer's first roommate in Los Angeles?
Which character did Stuart Bloom date before she became involved with Leonard Hofstadter?
Where was Leonard when he called Penny from a research ship?
What significant event occurs for Leonard and Penny in the series finale of The Big Bang Theory?
What historical scientific conference photograph does Sheldon digitally alter with anachronisms while riding with Leonard?
What causes Howard Wolowitz's extended stay on the International Space Station in this episode?
Who officiated Howard and Bernadette's wedding ceremony?
What unusual activity does Sheldon engage in at 3 AM due to his disrupted routine?
What university position did Kip Thorne hold at Caltech?
Who provided the funds to rebuild the Comic Center after the fire?
Why does Dr. Lorvis initially believe Penny is interested in him romantically?
How does Sheldon react when his mother cries during the fan fiction scene where Spock takes him away?
Why did Leonard Hofstadter ultimately abandon writing his murder mystery novel?
What phrase does Sheldon use to claim his preferred seating location?
In the Teen Titans storyline "Titans Tomorrow", which blonde character was shown as Wonder Woman's successor?
In the season 10 premiere of The Big Bang Theory, what event do Leonard and Penny finally hold after previously eloping?
What video game were Raj and Sheldon playing when Penny asked Sheldon for physics lessons?
How does Sheldon ultimately explain his secret basement activities to Howard and Raj?
Where was Amy Farrah Fowler working when Sheldon faced romantic attention from Ramona?
What NASA project are Leonard and Raj working on in "The Communication Deterioration"?
In Season 6 Episode 21 of The Big Bang Theory, what method does Amy use to help Sheldon overcome his compulsive need for closure?
How does Lucy break up with Raj, leading Penny to confront her?
What famous equation is attributed to Albert Einstein?
Who does Sheldon initially approach for comfort about Leonard moving out, before settling on Bernadette?
What does Penny accidentally admit for the first time without doing it accidentally?
Where did Albert Einstein work when he developed the special theory of relativity?
What accident occurs when Penny kisses Leonard during their date?
What is the name of the comic book store employee who fills in for Stuart while he is on his date?
Which superhero team was Aquaman a founding member of during the Silver Age?
What did Issabella say Raj could take her to eat on their date?
How did Wil Wheaton first defeat Sheldon Cooper in a Mystic Warlords of Ka'a tournament?
Who does Sheldon compare himself to when protesting the removal of items from the window area?
Who asks Amy out in Season 9 Episode 5, leading Sheldon to challenge him to a duel?
What unusual method does Sheldon employ to maintain productivity while helping Penny with her business?
What profession does Dr. Oliver Lorvis practice?
What reason does Amy give for not wanting to hurt Bert's feelings in Season 7 Episode 13?
Which TV family was the subject of the first question in Penny's pop culture quiz?
What hobby of David Underhill's impressed Leonard?
In the episode "The Euclid Alternative," what method does Sheldon initially refuse to use to get to work?
In the episode "The Plagiarism Schism", what evidence does Barry Kripke present against Greg Pemberton?
What does Sheldon organize in his apartment as a surprise for Amy?
What did Bernadette reveal about her academic background that surprised the group?
What is the occupation of Bernadette Rostenkowski's father, Mike Rostenkowski?
What was the name of Howard and Bernadette's baby?
Where did Bernadette make most of her spy reports during the dinner?
What does Beverly Hofstadter initiate with Leonard after realizing her parenting approach might need adjustment?
What happens to Sheldon when he investigates the vent in his new office?
In which episode of The Big Bang Theory does Spock first appear as an action figure voiced by Leonard Nimoy?
What advice did Penny's father, Wyatt, give to Leonard during the ceremony?
What drink does Raj consume that allows him to overcome his selective mutism around women?
What is the final line spoken in the retrospective special, echoing the show's theme song?
According to Beverly Hofstadter in Season 2 Episode 15, what psychological condition might explain Howard and Raj's behavior?
What did Raj bring as a gift for Bernadette's baby that caused a commotion?
What disturbing discovery does Sheldon make in his nightmare about his old bedroom?
What does Leonard confess to Penny that triggers their relationship crisis?
Why does Claire initially seek Raj's help?
What does Amy give Sheldon as a Christmas gift despite their agreement not to exchange presents?
What physiological reaction did Amy Farrah Fowler experience when seeing Penny's ex-boyfriend Zack?
What does Sheldon's Spock action figure tell him to do with the transporter toy?
In Season 3 Episode 6 of The Big Bang Theory, what activity does Leonard initially plan to do with his friends before learning about Penny's football gathering?
In Season 11 Episode 2 of The Big Bang Theory, what controversial statement does Leonard make during his NPR interview about physics?
What concern does Bernadette express to Raj about her pregnancy?
What does Penny use to simulate an airbag during Sheldon's driving simulation?
What does David Gibbs wear that relates to his scientific interests?
What is the name of Howard and Bernadette's baby daughter born in Season 10, Episode 11?
What scientific principle did the guys attempt to use to remove the stuck lug nut by heating it with a burning tortilla chip?
What criticism did Emily and later Stuart give about the band's first song?
What does Amy buy Sheldon to replace his malfunctioning computer?
What became of 'Serial Ape-ist 2: Monkey See, Monkey Kill' after its release?
What unusual item did Jimmy Speckerman force Leonard to eat during their high school years?
What holiday dinner did the gang attend at Mrs. Wolowitz's house in Season 7 Episode 9?
Who did Leonard, Howard, and Raj invite to Sheldon's birthday party to make up for his childhood disappointment?
What event first sparked Denise's attraction to Stuart?
What band name do Howard and Raj use for their musical project in Season 9 Episode 10?
What unexpected item did the wedding chapel offer to use instead of rose petals for the aisle?
What specific date did Sheldon initially consider perfect for the wedding before discovering a problem?
What shared challenge do Amy and Bernadette discuss regarding their successful careers in Season 11 Episode 2?
In which episode did Mrs. Koothrappali first appear?
What do Raj and Stuart do that leads Howard to angrily tell them they've bought themselves a hot tub?
What fictional game did Leonard and Sheldon create that involves lasers and obstacles?
Which actor portrays President Siebert in The Big Bang Theory?
What pioneering television producer, known for shows like "The Andy Griffith Show" and "The Dick Van Dyke Show", had the birth name Sheldon Leonard Bershad?
What does Leonard buy for Penny after her car breaks down in Season 7 Episode 17?
What prestigious award did Sheldon Cooper win at fourteen and a half, making him the youngest recipient at the time?
What malfunctioning invention designed by Howard Wolowitz required the help of his friends to fix in Season 2, Episode 22 of The Big Bang Theory?
What reason does Amy give her boss for skipping work to go to Disneyland?
Which physicist's van did the guys use for their trip to Mexico?
Which actor did Mark Hamill replace as the wedding officiant for Sheldon and Amy?
In the episode where Leonard, Howard, and Raj mined Bitcoins without Sheldon, what did Sheldon ultimately do with their Bitcoin stash?
What does Leonard suggest is Sheldon's underlying fear regarding Howard taking his class?
Which character is the mother of Bernadette Rostenkowski?
What was Sheldon's reaction after finally completing all the interrupted activities?
What embarrassing action did Sheldon perform during his acceptance speech?
Which actor portrays Colonel Richard Williams?
What is the occupation of Leonard Hofstadter's sister?
What reason does Leonard initially give for wanting to earn tenure at Caltech?
What was Mike Massimino's role during the Expedition 31 mission alongside Howard Wolowitz?
How does Bernadette Wolowitz react when Howard investigates her claim about another Cheesecake Factory waitress?
What was the name of the pharmaceutical company Penny worked for as a sales representative?
What does Stuart warn Raj and Leonard about when they discuss cutting open the meteorite?
What nickname did Jimmy Speckerman use for Leonard Hofstadter in high school?
In Season 1 Episode 3 of The Big Bang Theory, what game are Leonard, Sheldon, Howard, and Raj playing when Sheldon betrays them?
Which platform offers uncensored episodes of The Big Bang Theory in the UK?
What reason does George give for throwing away Sheldon's Madame Curie Halloween costume?
Which character did Alice kiss after showing him her comic book?
Why was Sheldon Cooper required to appear in court in "The Excelsior Acquisition"?
What major decision does Sheldon reveal to Amy in this episode that causes conflict?
Which actor portrays Mike Rostenkowski in The Big Bang Theory?
Where did 'Footprints on the Moon' play their first live performance?
What prize did Albert Einstein win in 1921?
What significant milestone did this episode represent for The Big Bang Theory series?
Which sitcom characters are named in honor of Sheldon Leonard?
What happens to Stuart Bloom's comic book store in Season 8?
What item does Professor Proton demonstrate building using household items in the episode?
In which episode does President Siebert first appear?
What specific pattern does Sheldon Cooper use when knocking on someone's door?
What significant life event caused Sheldon and Amy to move out of Apartment 4B?
What profession does Mandy Chow hold at Caltech?
Why was Halley's crying particularly notable to the characters?
What is the combined IQ of Leonard and Sheldon?
How does Amy discover Sheldon's 'Fun with Flags' episode where he insults her?
In which episode does Mandy Chow first appear?
What method did Sheldon ultimately use to solve his physics problem?
What action does Leonard take regarding the plagiarism evidence without Sheldon and Amy's knowledge?
In which episode did Dr. V. M. Koothrappali make his first physical appearance?
What reason does Spock give for transporting young Sheldon Cooper to the 23rd century in his fan fiction?
What online dating site matched Sheldon with Amy Farrah Fowler?
What video game does Sheldon play on his laptop while exiled to the stairs during Leonard's date?
Who was Kip Thorne's doctoral adviser?
What famous fictional character do Leonard, Sheldon, and Howard jokingly decide should be their new friend after Raj becomes obnoxious in Season 2 Episode 4?
In which season did Howard and Bernadette start dating?
What is the occupation of Raj Koothrappali's mother?
In The Big Bang Theory, who did Zack Johnson confuse Neil deGrasse Tyson with?
In Season 11 Episode 7 of The Big Bang Theory, what scientific field is Sheldon Cooper initially embarrassed to be working in?
In which Canadian television channel did Amanda Walsh serve as the youngest VJ in its history?
What romantic gesture did Howard Wolowitz organize for Bernadette's anniversary?
Who is the musician friend that causes conflict between Leonard and Penny in Season 3, Episode 7?
Why did Sheldon decide to revive "Fun with Flags" after announcing its end?
What does Stuart install in his comic book store to attract female customers?
What medical issue prevents Howard from accepting NASA's offer?
Which famous tech entrepreneur signed the back of the Shelbot device?
What critical mistake does Howard make while trying to impress Dr. Stephanie Barnett in Season 2 Episode 8?
Which Xbox 360 game did Penny and Amy play together in "The Cooper Extraction" (S7E11)?
What was the title of the planned sequel to Serial Ape-ist?
What does Sheldon present to Amy after she agrees to be his girlfriend, outlining the terms of their relationship?
What specific footwear does Sheldon try wearing as part of his relaxation attempt?
What scientific concept did Leonard reference in his wedding vows to Penny?
What special change did Sheldon make to the "Fun with Flags" title for the Valentine's Day episode?
What food item became a source of shame and arousal for Howard Wolowitz after his encounter with Jeanie?
What ultimately reconciles Howard with Leonard and Stephanie?
As of September 30, 2011, how many Xbox 360 consoles had been sold worldwide?
What does Ramona Nowitzki ask Sheldon to name after helping him with his breakthrough?
Which character, besides Leonard and Sheldon, appeared in both the Unaired Pilot and the aired series?
What significant step did Sheldon Cooper suggest taking in his relationship with Amy Farrah Fowler at the end of the episode?
In which season does Priya Koothrappali first appear?
Which character from The Big Bang Theory is portrayed by Stephen Root?
What childhood incident did Sheldon recall when explaining his fear of public speaking?
In which episode of The Big Bang Theory did Sheldon play Red Dead Redemption to clear his mind?
In which episode was Penny's sister Lisa's name first revealed?
In Season 4 Episode 23 of The Big Bang Theory, what medical condition does Howard initially believe caused his mother's hospitalization after he announced his engagement to Bernadette?
What unusual object did Raj bring into the first office that greatly annoyed Sheldon?
What character does Sara Gilbert portray in Season 1 Episode 3 of The Big Bang Theory?
In Season 3 Episode 8 of The Big Bang Theory, what injury does Penny sustain that forces her to seek Sheldon's help?
How did Bert Kibbler meet Rebecca?
What childhood birthday disappointment led Sheldon Cooper to avoid celebrating his birthday?
Which apartment number did Penny live in across the hall from Sheldon and Leonard?
Which actress does Raj suggest should play Beverly Hofstadter in a movie adaptation of her book?
Who had already booked the Athenaeum Club for May 12, preventing Sheldon and Amy from using it?
What does Sheldon do to Penny during the paintball game as revenge for the cushion?
In which season and episode did Susan first physically appear in The Big Bang Theory?
What was the original purpose of the building where Raj's apartment is located?
What does Raj claim to be when Abby mentions enjoying 'Slumdog Millionaire'?
What method does Penny use to help Sheldon relax during his forced vacation in Season 7 Episode 13?
Why does Lalita Gupta agree to go on the date with Raj?
Which character famously compared Halley's appearance to a historical figure?
What celestial event were Leonard, Howard, and Raj attempting to observe in the desert?
What scientific concept does Leonard joke about with his 'spherical chicken' anecdote?
How did Mary Cooper respond when Beverly told her to "read another book" at Leonard and Penny's wedding?
What does Raj accidentally break while snooping in Emily's apartment?
What device does Sheldon create to avoid life's hazards while staying in his room?
What is the primary reason Meemaw gives Amy for disliking her during her visit?
What concern does Dr. Gallo raise about Penny's relationship with Leonard?
What medical position did Stephanie Barnett hold at Fremont Memorial Hospital?
In which season did Larry Fowler first appear?
Why does Raj initially refuse to share credit with Penny for the comet discovery?
What unusual pet did Leonard get bitten by?
Who does Stephanie Barnett end up dating after Howard's failed attempt to impress her?
Why does Stuart become upset during Sheldon and Amy's brunch?
What unusual item does Sheldon use to store his cash that he loans to Penny?
What is the controversial element Raj suggests including in the message to aliens?
What prestigious university offered Amy Farrah Fowler a summer fellowship in "The Gyroscopic Collapse"?
What significant phrase does Penny accidentally say to Leonard during their argument in Season 6 Episode 8?
In Season 6 Episode 2 of The Big Bang Theory, what does Sheldon have engraved on the gravy boat he gives Howard and Bernadette as a wedding gift?
What gesture does Leonard make toward Penny at the end of Season 3 Episode 20 that suggests he still has romantic feelings?
Who accidentally reveals the baby's gender to Howard and Bernadette before the birth?
In which episode does Raj dress as Aquaman and complain about the costume's design?
How long did Sheldon last in the steam tunnel simulation before panicking?
What character did Riki Lindhome portray in The Big Bang Theory?
Why was Sheldon Cooper called to Human Resources in "The Egg Salad Equivalency"?
How does Bernadette participate in the Star Wars gaming marathon?
What song does Sheldon play on the cornet in his dream?
What movie role is Penny offered an audition for during Wil Wheaton's podcast?
What is the name of Howard and Bernadette's son born in Season 11?
What song does Amy play while Sheldon is about to punish her for faking illness?
What gift does Stuart suggest for Sheldon to bring to Amy's aunt's birthday party?
What is the nationality of Mrs. Koothrappali?
How did the crowd react to Howard Wolowitz's method of delivering the first pitch?
What scientific principle does David Saltzberg explain in relation to Sheldon's giant ant transportation idea?
In the Renaissance Fair episode, which character does Sheldon portray, inspired by Star Trek?
In which episode did Howard Wolowitz go to space?
What animal did Howard and Bernadette find in their hot tub?
What was the main reason Priya Koothrappali ended her relationship with Leonard Hofstadter?
How did Sheldon seek revenge against Kripke after the helium prank?
In Season 10 Episode 2 of The Big Bang Theory, what does the Air Force request the guys to miniaturize?
How does Leonard track down Sheldon after he disappears to the train station?
What significant event regarding Priya Koothrappali is revealed in Season 10?
Who sets up Raj on a blind date with Lalita Gupta?
How old was Issabella's son when she met Raj?
What unusual fear does Sheldon reveal in this episode?
What term does Sheldon use to describe Leonard's tendency to accept satisfactory options rather than seek optimal ones?
What genre of music does the band 'Footprints on the Moon' primarily perform?
What is the final location where the scavenger hunt's golden coin is actually hidden?
Who was forced to wear the Wonder Woman costume in "The Justice League Recombination" episode?
What reason does Penny give for not telling Leonard she loves him in Season 6 Episode 2?
What holiday is being celebrated when Leonard plans to take Penny to Switzerland?
What unexpected consequence does Raj face after his lecture on possible alien life?
What activity does Leonard plan for his date with Penny after consulting her father?
How many seasons of Young Sheldon were produced?
In Season 4 Episode 17 of The Big Bang Theory, what does Sheldon attempt to form after realizing he's not the center of his social group?
What unusual item does Sheldon discover in his rented tuxedo pocket, causing him to panic?
How does Bernadette ultimately make amends with Amy after the dress shopping incident?
What did Dr. V. M. Koothrappali wish for Bernadette during her pregnancy?
What substance does Sheldon believe he becomes addicted to after consuming it to stay awake while working on the Air Force project?
In Season 8 Episode 14, who was the internet troll that criticized Leonard and Sheldon's paper under the pseudonym 'GeneralRelativity'?
What fictional relative does Sheldon invent to excuse missing Penny's performance?
What catchphrase did Sheldon first use in this episode?
What condition prevents Raj from speaking to women without alcohol or medication?
What is the estimated cost of Sheldon's experiment to create a microscopic black hole?
What song does Sheldon sing to Professor Proton in the hospital to comfort him?
Where was the first episode of "Fun with Flags" filmed after Sheldon and Amy moved apartments?
What reason does Penny give for initially considering the acting audition, despite enjoying her pharmaceutical job?
What unexpected event causes Sheldon to injure his nose in the hospital during Leonard's surgery?
What entomology professor did Sheldon, Howard, and Raj consult to settle their bet about the cricket species?
What unconventional method did Raj use to communicate during a date in the library?
During the game 'Emily or Cinnamon' in Season 8 Episode 13, what must players guess about Raj's statements?
Which famous individuals inspired the first name 'Neil' for Howard and Bernadette's son?
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