Playback is currently unavailable for S8 E1 · The Locomotion Interruption. 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 8
Episodes
E01
Episode 1
★ 7.1The Locomotion Interruption
2014-09-22 · 21mLeonard and Amy make an unexpected trip to Arizona to fetch Sheldon; Penny interviews for a job at Bernadette's company; Stuart's relationship with Mrs. Wolowitz disturbs Howard.
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E02
Episode 2
★ 7.3The Junior Professor Solution
2014-09-22 · 20mSheldon is forced to teach a class as a Junior Professor and Howard decides to enroll in it. Meanwhile, Amy plays both sides when tension arises between Penny and Bernadette.
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E03
Episode 3
★ 7.0The First Pitch Insufficiency
2014-09-29 · 19mWolowitz feels nervous when he is asked to throw the first pitch at a Los Angeles Angels game. Penny and Leonard want to prove Sheldon wrong after he says he and Amy are the better couple.
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E04
Episode 4
★ 7.0The Hook-Up Reverberation
2014-10-06 · 19mRaj's honesty comes back to haunt him when his new girlfriend is unfriendly to Penny. The guys think about becoming part owners in Stuart's store.
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E05
Episode 5
★ 7.2The Focus Attenuation
2014-10-13 · 19mThe girls head to Las Vegas for some weekend fun, while the guys try to invent something cool, but only come up with new ways to procrastinate.
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E06
Episode 6
★ 7.2The Expedition Approximation
2014-10-20 · 21mSheldon and Raj test whether they could survive a dark-matter research expedition in a salt mine by simulating the conditions in a steam tunnel deep underground. Meanwhile, Leonard and Penny seek advice from Howard and Bernadette after they fight about money.
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E07
Episode 7
★ 7.6The Misinterpretation Agitation
2014-10-30 · 20mThe guys try to help Penny out of an awkward work dilemma, when a smitten doctor shows up at her door after her flirtatious sales techniques work a little too well. Meanwhile, Amy and Bernadette argue over whether or not female scientists should play up their sexuality.
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E08
Episode 8
★ 7.5The Prom Equivalency
2014-11-06 · 20mThe girls decide to re-enact their high school proms with the guys. While Sheldon feels under pressure to commit to his relationship with Amy, Howard worries about who Stuart will bring as his date.
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E09
Episode 9
★ 7.5The Septum Deviation
2014-11-13 · 20mWhen Leonard gets minor surgery on his nose, Sheldon is the one in need of sympathy. Meanwhile, Raj's parents' impending divorce causes Howard and Bernadette to work on their own marriage.
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E10
Episode 10
★ 7.1The Champagne Reflection
2014-11-20 · 19mWhile Sheldon says a tearful goodbye to the final installment of "Fun with Flags", Leonard, Howard and Raj search for something significant in a dead professor's research. And Bernadette finds out what her colleagues really think of her.
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E11
Episode 11
★ 7.2The Clean Room Infiltration
2014-12-11 · 19mLeonard and Howard turn to Raj for help in dealing with a work emergency when they nearly come to blows after blaming each other for a potential disaster at the university. Amy throws an authentic Victorian Christmas party, while Sheldon seeks revenge on her for making him celebrate the holidays.
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E12
Episode 12
★ 7.1The Space Probe Disintegration
2015-01-08 · 20mHoward tries to distract Raj, who is anxiously awaiting data from a space probe he helped launch. Meanwhile, Sheldon and Leonard go dress shopping with Penny and Amy.
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E13
Episode 13
★ 7.3The Anxiety Optimization
2015-01-29 · 20mWhen Sheldon becomes stuck in a rut with his work, the gang tries to help him by raising his stress levels. Howard teases Raj with a game called "Emily or Cinnamon?"
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E14
Episode 14
★ 7.5The Troll Manifestation
2015-02-05 · 21mLeonard and Sheldon publish a paper which is widely accepted except for comments from an internet troll. Meanwhile, the girls reminisce about embarrassing incidents from their past.
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E15
Episode 15
★ 7.6The Comic Book Store Regeneration
2015-02-19 · 20mHoward receives some shocking news as everyone prepares for the reopening of Stuart’s comic book store. Penny teaches Sheldon how to “let it go,” but can’t follow her own advice after she learns something infuriating about Amy. Also, Leonard and Raj think they spot Nathan Fillion at a restaurant.
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E16
Episode 16
★ 7.6The Intimacy Acceleration
2015-02-26 · 20mAs a joke, Sheldon and Penny try an experiment designed to make participants fall in love. Meanwhile, Leonard, Amy, Raj and Emily spend the evening trying to escape a room with a “zombie.” And, after returning from Mrs. Wolowitz’ funeral, Bernadette and Howard run into trouble at the airport.
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E17
Episode 17
★ 7.2The Colonization Application
2015-03-05 · 20mA trip to the pet store ends in a fight after Amy learns Sheldon has applied for a one-way mission to colonize Mars. Meanwhile, Leonard surprises Penny with a very "adult" purchase, and Raj gets into trouble when he snoops around Emily's apartment.
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E18
Episode 18
★ 7.0The Leftover Thermalization
2015-03-12 · 19mFriction ensues when a magazine fails to mention Leonard in an article about the paper he co-wrote with Sheldon. Also, a blackout at Mrs. Wolowitz’s home leads to a final family dinner in her honor.
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E19
Episode 19
★ 7.4The Skywalker Incursion
2015-04-02 · 21mWhen Leonard and Sheldon are invited to speak at UC Berkeley, they take a detour to try to meet an idol. Also, when Bernadette and Howard battle over the fate of his Doctor Who TARDIS, Raj and Amy offer to settle the dispute with a game of ping pong.
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E20
Episode 20
★ 7.5The Fortification Implementation
2015-04-09 · 20mWhen Sheldon and Amy build a blanket fort, they come to major crossroads in their relationship. Also, Howard meets the half-brother he never knew he had. Meanwhile, Penny is invited to appear on Wil Wheaton’s podcast, but things turn awkward when Leonard joins them.
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E21
Episode 21
★ 7.0The Communication Deterioration
2015-04-16 · 19mWhen Raj is asked to create a message in case a NASA mission discovers alien life, the guys fight over what he should do. Also, Penny is torn between auditioning for a movie or keeping her successful pharmaceutical sales job.
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E22
Episode 22
★ 7.2The Graduation Transmission
2015-04-23 · 19mHoward questions his engineering abilities when he and Sheldon can’t get a toy drone to fly. Meanwhile, a cancelled flight nearly prevents Leonard from giving the commencement address at his former high school, and Raj pits his parents against each other when his father cuts him off financially.
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E23
Episode 23
★ 7.5The Maternal Combustion
2015-04-30 · 19mPersonalities collide when Sheldon and Leonard’s mothers finally meet. Meanwhile, Howard finally decides to “man up” and do his fair share of the housework – but not without a little help from his friends.
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E24
Episode 24
★ 7.6The Commitment Determination
2015-05-07 · 20mAs Sheldon presses Leonard and Penny to set a wedding date, he encounters major changes in his own relationship with Amy. Meanwhile, Raj contemplates breaking up with Emily, and Howard and Bernadette struggle with asking Stuart to move out of their house.
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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