How Well Do You Know "The Big Bang Theory"? (Part 1)
Written by Mike Bedard
Last updated · 7 min play time
"The Big Bang Theory" ran from 2007 to 2019, making it one of the longest-running live-action sitcoms of all time. If you have been with the show since the beginning, you will definitely want to test your knowledge in this quiz only Sheldon could pass.
"The Big Bang Theory" has been a popular sitcom for over a decade. A lot has happened on the show during that time, and hopefully as a fan of the show, you have been paying attention. Test your wits in this quiz all about "The Big Bang Theory" that by the end will have you saying, "Bazinga!"
Quiz written by
Mike BedardBig Bang Theory Quiz Questions
30 Questions · 23.1K Plays · 1 Comment
Question 1
What is Sheldon's signature catchphrase?
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AThat's what she said.
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BBazinga!
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CHoly rigatoni!
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DMissed it by that much.
Bazinga!
Sheldon is known for saying, "Bazinga!" The catchphrase has grown so popular, you can find it on t-shirts everywhere.
Question 2
What is the name of Sheldon and Amy's video podcast?
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ASheldon Boldly Goes Where No Sheldon Has Gone Before
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BThe Big Bang Theory
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CThe Sheldon Show
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DSheldon Cooper Presents Fun With Flags
Sheldon Cooper Presents Fun With Flags
The podcast is called "Sheldon Cooper Presents Fun With Flags." In it, he teaches people the proper way to handle and fold flags.
Question 3
What song does Sheldon sing to Penny after she is released from the hospital in "The Adhesive Duck Deficiency"?
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AOld MacDonald Had a Farm
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BThe Soft Kitty Song
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CRibbit, Ribbit, Mr. Frog
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DHey There, Mr. Cat
The Soft Kitty Song
Sheldon sings "The Soft Kitty Song." It is the song Sheldon's mother would sing to him whenever he was sick.
Question 4
Sheldon has had a long-standing feud with which Star Trek actor?
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AWil Wheaton
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BLeVar Burton
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CPatrick Stewart
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DWilliam Shatner
Wil Wheaton
Wil Wheaton has appeared numerous times on the show as himself. He is always one-upping Sheldon.
Question 5
What city does "The Big Bang Theory" take place in?
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ATampa, Florida
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BHouston, Texas
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CPhoenix, Arizona
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DPasadena, California
Pasadena, California
The main characters of the show work at Cal Tech in Pasadena. Living in California certainly gives them an easy excuse to go to Comic-Con all the time.
Question 6
In the pilot, Penny works as a waitress in what restaurant?
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AChili's
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BOlive Garden
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CCheesecake Factory
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DCoco's
Cheesecake Factory
Penny is an aspiring actress, but she works at Cheesecake Factory in the pilot. She eventually devotes herself full time to becoming an actress.
Question 7
What nickname does Sheldon's mother have for him?
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APumpkin
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BCutie
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CNerd
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DShelly
Shelly
Sheldon's mom and sister call him Shelly. It carried over to the spin-off, "Young Sheldon."
Question 8
The pilot reveals that Leonard has what digestive disorder?
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ACeliac disease
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BHeartburn
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CLactose Intolerance
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DIBS
Lactose Intolerance
The audience learns Leonard is lactose intolerant. He also cannot process corn.
Question 9
What is the name of Raj's Yorkshire terrier?
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ACinnamon
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BSpot
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CYorkshire Terrier
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DPenny
Cinnamon
Raj's dog is named Cinnamon. The dog has gone through a lot over the years, including getting lost by Howard.
Question 10
Which Batman actor has appeared on the show?
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AAdam West
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BMichael Keaton
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CVal Kilmer
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DChristian Bale
Adam West
Adam West appeared on the show. In the episode, West gives his own opinion about who is the best Batman.
Question 11
Who is the only main character whose last name has not been revealed?
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AHoward
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BLeonard
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CRaj
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DPenny
Penny
Penny's maiden name has never been revealed. However, after she married Leonard, she started using his last name.
Question 12
What is Howard's astronaut nickname?
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ARipley
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BAlien
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CBuck Rogers
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DFroot Loops
Froot Loops
Howard's astronaut coworkers called him Froot Loops after hearing his mom yell at him about his Froot Loops. Howard probably would have liked a cooler nickname.
Question 13
Which character has a twin sister?
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AAmy
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BSheldon
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CHoward
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DRaj
Sheldon
Sheldon has a twin sister, Missy. Unlike her brother, she is socially confident.
Question 14
In an attempt to impress Penny and hang out with her and her friends in the episode "The Cornhusker Vortex," Leonard turns to Sheldon - a surprising expert - for advice in what field?
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AFootball
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BCooking barbecue
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CWriting poetry
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DSurfing
Football
After Leonard starts dating Penny, he wants to learn about football to impress her. Sheldon, having grown up in Texas, actually knows a good amount about the sport.
Question 15
Who is the only cast member to have earned a PhD in real life?
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AKaley Cuoco
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BKunal Nayyar
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CMayim Bialik
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DJim Parsons
Mayim Bialik
Mayim Bialik earned a PhD in neuroscience. She got her degree from UCLA.
Question 16
In "The Work Song Nanocluster," the guys help Penny make what item all night long?
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ABandanas
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BCupcakes
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CEarrings
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DHair barrettes
Hair barrettes
The guys help Penny make hair barrettes. Leonard offered one-day shipping, which is why they had to make everything in one night.
Question 17
What does Sheldon always order to eat when he is at Cheesecake Factory?
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ALasagna
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BPizza
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CSoup
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DBurger
Burger
Sheldon is apprehensive about ordering the burger at first. With a little convincing, he makes it his signature order.
Question 18
In "The Panty Piñata Polarization," Raj and Howard come to love what reality TV show?
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AAmerican Idol
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BSurvivor
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CAmerica's Next Top Model
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DThe Voice
America's Next Top Model
Howard and Raj start loving "America's Next Top Model."
Question 19
Why is the elevator broken in Leonard and Sheldon's apartment building?
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ASheldon tried to make it go faster and failed.
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BLeonard blew it up.
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CIt actually works fine.
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DThe landlord has just never fixed it.
Leonard blew it up.
The explanation is that the guys were trying to make a new kind of rocket fuel. However, the canister ended up exploding in the elevator shaft, breaking it for 12 seasons.
Question 20
In "The Precious Fragmentation," the guys buy a box at a garage sale that contains a valuable movie prop. What movie does the prop come from?
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AThe Lord of the Rings
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BX-Men
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CStar Wars
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DBlade Runner
The Lord of the Rings
The guys come in possession of a ring used in "The Lord of the Rings." However, the ring drives a wedge through the friends.
Question 21
In the episode "The Middle Earth Paradigm," the four main male characters all dress up as the same superhero. Which superhero is it?
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ASpider-Man
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BSuperman
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CBatman
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DThe Flash
The Flash
The characters all dress up as The Flash. They are not exactly pleased about it.
Question 22
What is Howard's highest level of education?
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AMaster's degree
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BHigh school diploma
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CBachelor's degree
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DPhD
Master's degree
Howard has a master's degree. While it's certainly impressive, most of his friends have PhDs.
Question 23
What instrument does Sheldon regularly play on the show?
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ACello
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BOboe
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CTheremin
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DFlute
Theremin
Sheldon plays the theremin. Funnily enough, Jim Parsons actually learned how to play the theremin, so when you see Sheldon playing, that is actually Jim playing.
Question 24
Which band performs the show's opening credits song?
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ABlur
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BEverclear
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CThird Eye Blind
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DBarenaked Ladies
Barenaked Ladies
Barenaked Ladies perform "History of Everything." It is also played during the end credits.
Question 25
After Sheldon and Amy break up, Sheldon gets a bunch of cats and names them after famous scientists - with one notable exception. What was the name of that exception?
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AMr. Fluffy
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BDoodle
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CAmy
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DZazzles
Zazzles
In "The Zazzy Substitution," Sheldon gets a bunch of cats, including Zazzles. As Sheldon explained, "He's just so zazzy."
Question 26
Which of these celebrities did NOT cameo on the series?
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ASteve Jobs
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BBuzz Aldrin
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CStephen Hawking
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DElon Musk
Steve Jobs
Steve Jobs never made an appearance on "The Big Bang Theory." However, his partner, Steve Wozniak, did make a cameo.
Question 27
What is Amy's door number?
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A336
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B314
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C420
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D1
314
Amy's door number is 314. These are the first three digits of pi.
Question 28
What object hangs on the back of the door to Leonard and Sheldon's apartment?
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ADartboard
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BStar Trek poster
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CPeriodic table
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DNothing
Dartboard
There is a dartboard hanging on the back of their door. It can be seen regularly throughout the series.
Question 29
What food is Amy allergic to?
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APeanut butter
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BAvocados
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CBread
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DGrapes
Avocados
Amy is allergic to avocados. This is not revealed until Season 8.
Question 30
What was the original working title of "The Big Bang Theory"?
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ASheldon's Weird Adventures
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BLenny, Penny, and Kenny
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CTheory of Gravity
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DThe Nerds
Lenny, Penny, and Kenny
The show was originally supposed to be called "Lenny, Penny and Kenny." "The Big Bang Theory" is far catchier.
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