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58 The Big Bang Theory Trivia Questions

Are you a die-hard fan of The Big Bang Theory? 

Do you know Sheldon’s quirks better than your own? 

Or can you recite Penny’s best zingers without missing a beat? 

Well, it’s time to put your Big Bang Theory knowledge to the test! Here are some trivia questions to challenge even the most dedicated fans.

The Big Bang Theory Trivia Questions

  1. In the pilot episode, what paper topic does Leonard offer to read to Penny?

  2. What is the name of the online game where Sheldon gets his virtual items stolen, prompting the gang to confront the thief in person?

  3. What is the full name of Sheldon’s childhood best friend, whom he also refers to as his archenemy?

  4. Which Nobel Prize-winning physicist guest stars as himself in the episode where Sheldon and Leonard are invited to a party at his house, but they are not allowed to bring their friends?

  5. In the episode “The Herb Garden Germination,” what rumor do Sheldon and Amy spread to test an experiment on gossip?

  6. What specific item does Howard attempt to bring back from the International Space Station as a souvenir, which causes a problem?

  7. What is the title of the episode in which Sheldon trains Penny using chocolate-based positive reinforcement, mirroring a famous psychological experiment?

  8. What is the name of the comic book store owner who is also a friend to the main characters?

  9. In which episode does Raj speak to Penny without having consumed alcohol for the first time, and what causes him to do so?

  10. What is the name of the song Sheldon requests when he can’t sleep, and who is it by?

  11. What is the name of the magazine for which Raj becomes a featured writer, leading to his ego being inflated?

  12. During Howard and Bernadette’s wedding, who officiates the ceremony from the International Space Station?

  13. What is the name of Sheldon’s web series where he discusses flags and their meanings?

  14. In which season and episode do Sheldon and Amy have their first kiss?

  15. What is the name of Amy’s pet primate, and what unique skill does it have?

  16. What nickname does Sheldon give to his grandmother, and what is unique about the way he pronounces it?

  17. In the episode “The Adhesive Duck Deficiency,” Sheldon has to drive Penny to the hospital. What is the reason for the hospital visit?

  18. Who is Sheldon’s favorite Star Trek character, and in what unique way does this character make appearances throughout the series?

  19. What is the name of the university where Leonard, Sheldon, Raj, and Howard work?

  20. What is the name of the actress who plays Sheldon’s mother, and in which other TV show does she play a similar character?

  21. What psychological condition does Sheldon claim to have that allows him to remember every moment of his life perfectly?

  22. In the episode “The Pancake Batter Anomaly,” what illness does Sheldon contract, leading to the other characters avoiding him?

  23. Who is the first woman Leonard sees naked over the internet, leading to a misunderstanding with Sheldon?

  24. What is the title of the fictional movie sequel the guys camp out for tickets for, in the series?

  25. What is the name of Leonard’s high school bully who visits him as an adult to apologize?

  26. What device does Howard invent, intending for the space station, that ends up having a different and humorous use on Earth?

  27. What is the name of the actress who plays Bernadette Rostenkowski-Wolowitz, and what notable physical trait does she exaggerate for the role?

  28. In “The Staircase Implementation,” Leonard tells the story of how he first met Sheldon. What item does Leonard sign a roommate agreement not to bring into the apartment?

  29. What is the name of Sheldon’s favorite childhood computer game that he nostalgically plays as an adult?

  30. In the series, what is Howard’s mother’s name, and why is she never seen on screen?

  31. What is the name of the silent party member in Sheldon and Leonard’s social group, known for his inability to speak to women unless he’s drunk, until he overcomes this issue?

  32. What intellectual property invention did Sheldon and Leonard co-create, leading to a dispute over ownership rights within the group?

  33. What is the specific field of theoretical physics that Sheldon Cooper specializes in?

  34. What nickname does Penny have for Leonard’s mother, Beverly Hofstadter, based on her personality?

  35. Which character has a restraining order filed against them by Stan Lee, and for what reason?

  36. What is the title of the children’s book Raj writes, and what is its subject matter?

  37. Who is the actress that plays Sheldon’s girlfriend, Amy Farrah Fowler, and what significant academic background does she have in real life?

  38. What unique item does Leonard give Penny that symbolizes their relationship, which she initially misunderstands?

  39. In “The Zarnecki Incursion,” Sheldon’s World of Warcraft account is hacked. What specific item of his is most lamented as lost?

  40. What is the name of the coffee shop where Penny works as a waitress before focusing on her acting career?

  41. How does Amy modify the game of “Dungeons & Dragons” to make it appealing to Sheldon?

  42. Sheldon often expresses a fondness for a specific type of train. What is it?

  43. What is the name of the annual event Sheldon creates, celebrating his own achievements and personality?

  44. What instrument does Amy play, which she often uses to serenade Sheldon?

  45. What is the middle name of Howard Wolowitz, and what is its significance?

  46. In which episode does Penny finally say “I love you” to Leonard, and what prompts her to do so?

  47. What unique gift does Sheldon receive from Penny that deeply moves him, leading to a rare hug between them?

  48. What is the name of the game Sheldon invents to combine the strategic elements of chess with the character elements of Dungeons & Dragons?

  49. What is the title given to the first episode where Leonard has a dream about being visited by a comic book legend in his bedroom?

  50. What rare comic book do the guys fight over at a garage sale, leading to a series of challenges to determine its rightful owner?

  51. What is the name of the fictitious university where Sheldon, Leonard, Raj, and Howard are employed, and what is its primary real-world counterpart inspiration?

  52. Who is the only main character to successfully complete a PhD during the run of the show, and what is their field of study?

  53. What psychological technique does Sheldon use on Penny and Leonard without their knowledge, involving chocolates?

  54. What is the name of the astronaut nickname given to Howard by his space colleagues, and what does it reference?

  55. In the episode “The Prom Equivalency,” what childhood trauma does Sheldon reveal to Amy?

  56. What hobby does Amy Farrah Fowler share with Penny, which initially surprises the group?

  57. What is the title of the episode where Sheldon takes a train trip alone and ends up in a different state without his memory of how he got there?

  58. What specific fear does Raj have that is revealed in the series, not related to his anxiety around women?

Answers

  1. “Observation of Cosmic Microwave Background Radiation”

  2. Age of Conan”

  3. Billy Bob Thornton

  4. George Smoot

  5. They claim that Bernadette is thinking of breaking up with Howard.

  6. A zero-gravity toilet

  7. “The Gothowitz Deviation”

  8. Stuart Bloom

  9. “The Bon Voyage Reaction” – Raj overcomes his selective mutism after his girlfriend leaves him.

  10. “Soft Kitty” – It is not by a specific artist, as it is a traditional children’s song.

  11. “People” Magazine

  12. Howard’s fellow astronaut, Mike Massimino

  13. “Fun with Flags”

  14. Season 7, Episode 15, “The Locomotive Manipulation”

  15. Ricky, and it can smoke cigarettes.

  16. Meemaw, pronounced with an emphasis on each syllable.

  17. She dislocates her shoulder after slipping in the shower.

  18. Spock; Sheldon often hallucinates or imagines advice from Spock, including a Spock action figure speaking to him.

  19. Caltech (California Institute of Technology)

  20. Laurie Metcalf, who plays a similar motherly role in “Roseanne” and its spin-off “The Conners.”

  21. Eidetic memory

  22. The common cold

  23. Sheldon’s twin sister, Missy

  24. “Raiders of the Lost Ark” sequel, specifically for tickets to a special screening.

  25. Jimmy Speckerman

  26. A “zero-gravity human waste disposal system,” which humorously ends up being used as a nutcracker.

  27. Melissa Rauch, and she exaggerates her voice pitch to sound higher and squeakier.

  28. Pets, specifically “Cats” (Leonard agrees not to keep a cat in the apartment).

  29. “Zork”

  30. Mrs. Debbie Wolowitz, and she is never seen on screen, only heard, to add to the comedic effect of her overwhelming presence.

  31. Rajesh Koothrappali (Raj)

  32. “The Roommate Agreement”

  33. String Theory

  34. “The Ice Queen

  35. Sheldon, for breaking into Stan Lee’s house to meet him.

  36. “The C-Men,” focusing on characters with different abilities who overcome their challenges.

  37. Mayim Bialik, who has a Ph.D. in neuroscience.

  38. A snowflake that he preserved in a locket, symbolizing their unique and special relationship.

  39. His “Battlenet account” and specifically his “Sword of Azeroth.”

  40. The Cheesecake Factory

  41. She incorporates elements of romance and relationship dynamics into the storyline.

  42. Model trains, especially those on the miniature scale.

  43. “Sheldon Cooper Presents: Fun with Flags”

  44. The harp

  45. Joel, after his uncle who passed away.

  46. “The 43 Peculiarity,” prompted by her realization of her deep feelings for him during a conversation with Sheldon.

  47. A napkin signed by Leonard Nimoy

  48. “Three-Person Chess”

  49. “The Excelsior Acquisition”

  50. “Action Comics #1” – the first appearance of Superman.

  51. Caltech is the inspiration, but within the show, it’s often referred to simply as “the university” without a specific fictitious name.

  52. Howard Wolowitz, though he is an engineer; his PhD effort is not the focus, as he remains the only main male character without a doctorate.

  53. Operant conditioning

  54. “Froot Loops” – referencing his small stature and colorful clothing.

  55. His inability to dance at social events due to his mother’s criticism.

  56. Painting, specifically ceramics.

  57. “The Locomotion Reverberation”

  58. Fear of birds (Ornithophobia).

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