Playback is currently unavailable for S9 E1 · The Matrimonial Momentum. Episode details remain available below.
The Big Bang Theory
Physicists Leonard and Sheldon find their nerd-centric social circle with pals Howard and Raj expanding when aspiring actress Penny moves in next door.
- Created by:
- Chuck Lorre, Bill Prady
- Cast:
- Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg
- Language:
- English
- Country:
- United States of America
- Network:
- CBS
Episode guide
Seasons
Season 9
Episodes
E01
Episode 1
★ 7.3The Matrimonial Momentum
2015-09-21 · 19mAfter driving to Vegas to get married, Penny struggles with Leonard’s confession that he kissed another girl. Also, Sheldon doesn't know how to act after Amy pushes pause on their relationship.
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E02
Episode 2
★ 7.3The Separation Oscillation
2015-09-28 · 19mLeonard confronts the woman he kissed on the North Sea in an attempt to set Penny's mind at ease. Also, Sheldon films a special episode of "Fun with Flags" after his breakup with Amy, and Bernadette feels guilty about withholding a secret from Penny.
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E03
Episode 3
★ 7.5The Bachelor Party Corrosion
2015-10-05 · 19mThe guys' science skills are put to the test when they get a flat tire during Leonard's bachelor party weekend in Mexico. Also, the girls force Penny to finally tell her family that she eloped with Leonard.
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E04
Episode 4
★ 7.5The 2003 Approximation
2015-10-12 · 19mSheldon learns of an impending change in his living arrangements and decides to revert back to 2003, a simpler time before he met Leonard and Penny. Also, Howard and Raj form a band to play at the Comic Book Store.
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E05
Episode 5
★ 7.1The Perspiration Implementation
2015-10-19 · 19mThe guys take a fencing lesson from Barry Kripke and Sheldon finds himself in an awkward position when Kripke expresses interest in Amy. Also, when Stuart struggles to get female customers at the Comic Book Store, Penny, Amy and Bernadette come by to help him out.
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E06
Episode 6
★ 7.1The Helium Insufficiency
2015-10-26 · 19mIn the midst of a nation-wide helium shortage, Sheldon and Leonard take desperate measures to get the supplies they need. Also, Penny and Bernadette download a dating app on Amy's phone to try and find her a new man.
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E07
Episode 7
★ 7.7The Spock Resonance
2015-11-05 · 19mWil Wheaton interviews Sheldon for a Star Trek documentary where he reveals the ring and his plan to propose to Amy. Bernadette wants to start renovating the house and the topic of starting a family together with Howard is brought up.
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E08
Episode 8
★ 7.5The Mystery Date Observation
2015-11-12 · 18mSheldon, Wolowitz and Koothrappali post an online advertisement to find Sheldon a new girlfriend. Also, when Amy is coy with details about a guy she is dating, Penny and Bernadette decide to spy on her.
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E09
Episode 9
★ 7.5The Platonic Permutation
2015-11-19 · 21mSheldon and Amy try hanging out as friends when they spend Thanksgiving together at the aquarium. Also, Wolowitz reluctantly agrees to volunteer at the soup kitchen with Bernadette, Raj and Emily, and Penny discovers that Leonard knows more about her than she thought.
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E10
Episode 10
★ 7.9The Earworm Reverberation
2015-12-10 · 21mSheldon has a revelation when he realizes why a song was stuck in his head. Also, Amy invites Dave over for dinner despite their previously awkward date, and Wolowitz and Koothrappali become obsessed with a fan of their band, "Footprints on the Moon".
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E11
Episode 11
★ 8.3The Opening Night Excitation
2015-12-17 · 21mAfter more than five years of dating, Sheldon and Amy spend their first night together. Also, Leonard, Wolowitz, and Koothrappali must decide who will take their extra Star Wars movie ticket.
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E12
Episode 12
★ 7.3The Sales Call Sublimation
2016-01-07 · 18mPenny gets more than she bargained for when Leonard agrees to meet with a psychiatrist on her behalf. Also, Sheldon and Koothrappali collaborate on an astronomical discovery, and Wolowitz and Bernadette can't believe what they are feeling after Stuart moves out.
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E13
Episode 13
★ 7.3The Empathy Optimization
2016-01-14 · 19mAfter having to deal with a sick Sheldon, Leonard, Penny and the gang try to treat themselves to a Sheldon-free weekend.
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E14
Episode 14
★ 7.3The Meemaw Materialization
2016-02-04 · 19mMeemaw meets Amy, but it isn't all roses. Meemaw seems to have an axe to grind with her. Sheldon comes to Amy's defense, but not before Meemaw lets a little secret of his slip.
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E15
Episode 15
★ 7.3The Valentino Submergence
2016-02-11 · 20mSheldon and Amy host a live Valentine's Day episode of Fun with Flags, Leonard and Penny grapple with getting older, Howard and Bernadette find a surprise in their hot tub and Raj is torn between Emily and the cute girl he met at the Comic Bookstore.
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E16
Episode 16
★ 7.4The Positive Negative Reaction
2016-02-18 · 19mWhen the gang finds out about Bernadette’s pregnancy, they celebrate by singing karaoke. Also, Bernadette is concerned when Wolowitz freaks out over her pregnancy announcement, and Wolowitz is convinced he must make more money to provide for the baby.
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E17
Episode 17
★ 7.1The Celebration Experimentation
2016-02-25 · 19mAfter more than nine years together, the gang finally celebrates Sheldon’s birthday, surprising him with a special guest.
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E18
Episode 18
★ 7.3The Application Deterioration
2016-03-10 · 18mLeonard, Sheldon, and Wolowitz run into problems when they file for a patent for their infinite persistence gyroscope. Also, Penny, Amy and Bernadette give Koothrappali dating advice when Emily reaches out to him after their breakup.
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E19
Episode 19
★ 7.3The Solder Excursion Diversion
2016-03-31 · 21mAmy is shocked at a revelation from Sheldon after she buys him a new laptop. Also, Koothrappali sells out Leonard and Wolowitz after they lie to their wives in order to attend an early screening of a movie.
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E20
Episode 20
★ 7.3The Big Bear Precipitation
2016-04-07 · 19mSheldon spills a secret of Leonard’s when the two take a weekend cabin trip with Penny and Amy. Also, when Koothrappali goes overboard with pregnancy gifts, Wolowitz and Bernadette must draw the line.
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E21
Episode 21
★ 7.0The Viewing Party Combustion
2016-04-21 · 18mEveryone must choose sides when a small argument between Leonard and Sheldon erupts into a heated fight during a group get-together.
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E22
Episode 22
★ 7.2The Fermentation Bifurcation
2016-04-28 · 20mThe gang goes to a wine bar and runs into Penny’s old boyfriend, Zack. Also, Bernadette gets stuck spending the evening with Sheldon when she can’t go wine tasting with the group, and things don’t go as planned when Koothrappali introduces his new girlfriend, Claire.
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E23
Episode 23
★ 7.1The Line Substitution Solution
2016-05-05 · 18mSheldon hires Stuart to spend the day with Amy when he’d rather go to a movie screening. Also, Leonard’s mother, Beverly, comes to town and Penny struggles to make a connection with her.
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E24
Episode 24
★ 7.5The Convergence Convergence
2016-05-12 · 20mChaos ensues when Leonard’s recently divorced parents, Alfred and Beverly, and Sheldon’s devoutly religious mother, Mary, come to town. Also, Wolowitz and Koothrappali think the government is out to get them when they are contacted about their guidance system.
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Johnny Galecki
Leonard Hofstadter
Jim Parsons
Sheldon Cooper
Kaley Cuoco
Penny
Simon Helberg
Howard Wolowitz
Kunal Nayyar
Rajesh Koothrappali
Melissa Rauch
Bernadette Rostenkowski
Mayim Bialik
Amy Farrah Fowler