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Quizzes > Movies

Big Bang Theory quiz: how much do you remember?

Quick, free Big Bang Theory trivia challenge. Instant results.

Editorial: Review CompletedCreated By: Arfian Nur JuniyantoUpdated Aug 27, 2025
Difficulty: Moderate
2-5mins
Learning OutcomesCheat Sheet
Paper art quiz promo for Big Bang Theory trivia challenge fun questions test your fandom on teal background

This Big Bang Theory quiz helps you test what you remember from the show and spot any gaps. After you finish, try some Big Bang Theory trivia, explore Big Bang Theory quiz questions, or take a Big Bang Theory character quiz to keep the fun going.

What institution do Sheldon and Leonard work at?
Harvard
Caltech
MIT
Stanford
Sheldon and Leonard are theoretical physicists employed at the California Institute of Technology, commonly called Caltech. The show centers around their lives as Caltech researchers. Their workplace is frequently shown in the series.
What is Sheldon's famous catchphrase?
Bazinga!
Cowabunga!
D'oh!
Oh, behave!
Sheldon's signature exclamation when pulling a prank or joke is "Bazinga!". It first appears in season 2 and becomes a recurring moment of humor. The phrase is synonymous with many of Sheldon's antics.
Which comic book store do the guys frequently visit?
Galaxy Comics
The Comic Center of Pasadena
Comic Book Kingdom
Superheroes Unlimited
In many episodes, the characters visit The Comic Center of Pasadena to buy comics and collectibles. It serves as a regular hangout for Sheldon, Leonard, Howard, and Raj. The store is featured in both early and later seasons.
What breakfast cereal does Sheldon famously enjoy?
Cap'n Crunch
Froot Loops
Cheerios
Rice Krispies
Sheldon is often seen eating Cap'n Crunch cereal, even using it as a bargaining tool in his roommate agreement. His fondness for the brand is a recurring comedic bit.
What musical instrument does Sheldon play as a hobby?
Theremin
Piano
Guitar
Violin
Sheldon plays the theremin, an electronic instrument controlled without physical contact. This is showcased in a few episodes and reflects his quirky personality. The theremin's eerie sound fits Sheldon's eccentric tastes.
Where does Penny work when she first appears on the show?
The Comic Center of Pasadena
Big Bang Online
The Cheesecake Factory
Caltech Cafeteria
In the pilot, Penny is introduced as a waitress at The Cheesecake Factory. This job provides an initial contrast between her and the Caltech scientists. She eventually leaves this position in later seasons.
What surname does Penny adopt after marrying Leonard?
Hofstadter
Fowler
Cooper
Wolowitz
After marrying Leonard Hofstadter in season 9, Penny takes the surname Hofstadter. This is confirmed in various episodes following their wedding. Her maiden name was never revealed.
Which video game do the guys frequently play together?
Call of Duty
StarCraft
Fortnite
Halo
Sheldon, Leonard, Howard, and Raj often play the sci-fi shooter Halo in the early seasons. Their gaming sessions are featured in multiple episodes. While they mention other games, Halo is the one most closely associated with them.
Who becomes Sheldon's girlfriend and eventual wife?
Amy Farrah Fowler
Penny
Bernadette Rostenkowski
Leslie Winkle
Neuroscientist Amy Farrah Fowler is introduced through an online dating setup in season 3 and eventually becomes Sheldon's wife. Their relationship arc is central to the later seasons. Amy's character development parallels Sheldon's growth.
What was Howard Wolowitz's field of graduate study?
Mechanical Engineering
Computer Science
Electrical Engineering
Aerospace Engineering
Howard Wolowitz earned a master's degree in aerospace engineering from MIT. He often references his work with NASA and space missions. This field distinguishes him from his physicist friends.
Which character famously says, "I'm not crazy, my mother had me tested!"?
Leonard Hofstadter
Sheldon Cooper
Raj Koothrappali
Penny
Sheldon utters "I'm not crazy, my mother had me tested!" in season 2 to defend his eccentric behavior. The line highlights Sheldon's neurotic personality. It has since become one of his most quoted remarks.
What is Raj Koothrappali's nationality?
Pakistani
Indian
Bangladeshi
Sri Lankan
Raj Koothrappali is of Indian origin, born and raised in New Delhi, India. His background and cultural references are often featured throughout the series. This aspect of his character adds diversity to the group dynamic.
Which comic convention do the characters attend in season 2?
WonderCon
Dragon Con
San Diego Comic-Con
New York Comic Con
In season 2, the group travels to San Diego Comic-Con. The event is portrayed as a major highlight for the characters, showcasing their fandom. Comic-Con appearances recur in later episodes.
In which season do Sheldon and Amy first meet?
Season 2
Season 5
Season 3
Season 4
Sheldon and Amy's first encounter occurs in season 3, episode 23, "The Lunar Excitation". Their relationship development becomes a major storyline thereafter. Prior to meeting Amy, Sheldon had no steady romantic prospects.
Who performs The Big Bang Theory's opening theme song?
Coldplay
The Beatles
Barenaked Ladies
U2
The Canadian band Barenaked Ladies wrote and perform the show's signature opening theme. The song summarizes the history of the universe in a catchy tune. It has won praise for its lyrical content and energy.
What is the name of the legally binding contract Sheldon makes with Leonard?
Friendship Contract
Living Conditions Contract
Roommate Agreement
Roommate Pact
Sheldon creates the Roommate Agreement to outline rules and obligations for living with Leonard. It is introduced in season 2 and referenced throughout the series. The document's quirky clauses are a source of humor among fans.
Which tabletop role-playing game do the characters play in the pilot episode?
Settlers of Catan
Monopoly
Dungeons & Dragons
Risk
The pilot opens with Sheldon and the others playing Dungeons & Dragons. This game format recurs in multiple early episodes, showcasing character dynamics. Their devotion to the game underscores their nerd culture.
What is Bernadette Rostenkowski's profession?
Microbiologist
Geneticist
Pharmacist
Chemist
Bernadette holds a PhD in microbiology and works in a pharmaceutical company. Her expertise is highlighted when she discusses infectious diseases and scientific protocols. She contrasts Howard's engineering background.
In which episode do Sheldon and Amy share their first on-screen kiss?
The Boyfriend Complexity
The Cohabitation Formulation
The Lunar Excitation
The Love Car Displacement
Sheldon and Amy's first kiss occurs in "The Lunar Excitation" (season 9, episode 23). This moment is a milestone in their relationship arc. It marks a significant step in Sheldon's emotional development.
What is the name of Leonard's mother?
Amy Fowler
Mary Cooper
Marie Wolowitz
Beverly Hofstadter
Leonard's mother is Dr. Beverly Hofstadter, a neuroscientist and psychiatrist. She is known for her emotionally distant personality. She appears in multiple episodes, often analyzing her son psychologically.
Which superhero logo commonly appears on Sheldon's shirts?
Flash
Spider-Man
Superman
Batman
Sheldon frequently wears t-shirts bearing the Flash emblem. This reflects his love for DC Comics and speed-related humor. While he occasionally wears other logos, the Flash is his most iconic apparel.
During which season does Howard Wolowitz travel to space?
Season 4
Season 7
Season 6
Season 5
In season 5, Howard embarks on his NASA space mission to the International Space Station. This storyline spans multiple episodes, highlighting his career ambition. His zero-gravity antics provide comic relief.
In "The Bath Item Gift Hypothesis," what gift does Penny give Sheldon?
A napkin signed by Leonard Nimoy
A comic book
A T-shirt
A DNA strand framed
In season 2's holiday episode "The Bath Item Gift Hypothesis," Penny gifts Sheldon a napkin autographed by Leonard Nimoy. Sheldon is overwhelmed, noting it as the greatest gift ever. The exchange cements his fondness for Nimoy.
Which renowned physicist makes a guest appearance as himself on the show?
Stephen Hawking
Neil deGrasse Tyson
Albert Einstein
Richard Feynman
Stephen Hawking appears as himself in multiple episodes, notably interacting with Sheldon at Caltech. His cameo is a highlight for both the characters and the audience. Hawking's involvement underscores the show's scientific credentials.
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Study Outcomes

  1. Recall Iconic Character Traits -

    Recall the defining quirks and personalities of Sheldon Cooper, Penny, and other characters from the Big Bang Theory quiz to demonstrate your familiarity with the series.

  2. Identify Memorable Quotes -

    Identify and match famous lines from The Big Bang Theory trivia, ensuring you can attribute iconic quotes to the correct character and context.

  3. Analyze Key Plot Points -

    Analyze major story arcs and pivotal moments in the show through challenging Big Bang Theory questions, deepening your understanding of the series' narrative.

  4. Challenge Your Friends -

    Apply your knowledge in this TBBT fan quiz to compete with friends, compare scores, and see who reigns supreme in Sheldon Cooper trivia.

  5. Enhance Fandom Fluency -

    Strengthen your overall grasp of The Big Bang Theory trivia by engaging with diverse questions that cover humor, science references, and character relationships.

Cheat Sheet

  1. Character Dynamics and Personality Types -

    The Big Bang Theory quiz often tests your recall of each core character's defining traits - from Sheldon Cooper's obsessive-compulsive logic to Penny's street-smart pragmatism. A useful mnemonic is "SLAPS": Sheldon's strict routines, Leonard's low-key empathy, Amy's analytical social experiments, Penny's purposeful charisma, and Stuart's subdued resilience. According to CBS official character bios, mastering these profiles helps you predict dialogue and comedic beats throughout the series.

  2. Scientific Easter Eggs and Equations -

    TBBT uniquely integrates real physics concepts - like Schrödinger's cat experiments and the "Minkowski measure" referenced in Season 2, Episode 6 - into its plotlines. A handy way to memorize examples is the acronym "SPACE": String theory, Particle physics, Astrophysics, Cosmology equations, Experimental setups. Harvard University's public lectures confirm many board diagrams were vetted by show consultant David Saltzberg, reinforcing these quizzable science nods with authenticity.

  3. Iconic Catchphrases and Running Gags -

    Many trivia questions hinge on catchphrases like "Bazinga!" and Penny's triple-knock routine. You can group them into "B-Knock" patterns: one Bazinga per three knocks to recall sequence rules. The Writers Guild Foundation archives note these recurring jokes are spaced at least three episodes apart, helping fans anticipate their next appearance.

  4. Major Relationship Arcs -

    Tracking who dates whom and when is essential - Leonard & Penny's will-they-won't-they, and Sheldon & Amy's "Relationship Agreement" milestones are frequent quiz topics. Build a timeline chart covering Season 1 to 12 with markers for engagements, weddings, and major conflicts. Entertainment Weekly's series retrospective outlines these key events, making it a reliable reference for quizzers.

  5. Cultural Impact and Awards -

    Beyond jokes, TBBT influenced public interest in STEM fields and won ten Emmys over its 12-year run. Recall the years it won Outstanding Comedy Series (2010 and 2011) and note its Nielsen ratings peaks in Season 5. The Television Academy's official database provides verification, making these stats prime fodder for any Big Bang Theory trivia challenge.

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