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The Big Bang Theory

7.9/10 12,967 votes
Comedy

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

13 available

Season 8

Episodes

Episode 1 selected
Still from The Locomotion Interruption E01

Episode 1

★ 7.1

The Locomotion Interruption

2014-09-22 · 21m

Leonard 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.

Current episode
Still from The Junior Professor Solution E02

Episode 2

★ 7.3

The Junior Professor Solution

2014-09-22 · 20m

Sheldon 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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Still from The First Pitch Insufficiency E03

Episode 3

★ 7.0

The First Pitch Insufficiency

2014-09-29 · 19m

Wolowitz 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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Still from The Hook-Up Reverberation E04

Episode 4

★ 7.0

The Hook-Up Reverberation

2014-10-06 · 19m

Raj'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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Still from The Focus Attenuation E05

Episode 5

★ 7.2

The Focus Attenuation

2014-10-13 · 19m

The 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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Still from The Expedition Approximation E06

Episode 6

★ 7.2

The Expedition Approximation

2014-10-20 · 21m

Sheldon 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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Still from The Misinterpretation Agitation E07

Episode 7

★ 7.6

The Misinterpretation Agitation

2014-10-30 · 20m

The 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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Still from The Prom Equivalency E08

Episode 8

★ 7.5

The Prom Equivalency

2014-11-06 · 20m

The 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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Still from The Septum Deviation E09

Episode 9

★ 7.5

The Septum Deviation

2014-11-13 · 20m

When 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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Still from The Champagne Reflection E10

Episode 10

★ 7.1

The Champagne Reflection

2014-11-20 · 19m

While 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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Still from The Clean Room Infiltration E11

Episode 11

★ 7.2

The Clean Room Infiltration

2014-12-11 · 19m

Leonard 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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Still from The Space Probe Disintegration E12

Episode 12

★ 7.1

The Space Probe Disintegration

2015-01-08 · 20m

Howard 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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Still from The Anxiety Optimization E13

Episode 13

★ 7.3

The Anxiety Optimization

2015-01-29 · 20m

When 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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Still from The Troll Manifestation E14

Episode 14

★ 7.5

The Troll Manifestation

2015-02-05 · 21m

Leonard 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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Still from The Comic Book Store Regeneration E15

Episode 15

★ 7.6

The Comic Book Store Regeneration

2015-02-19 · 20m

Howard 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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Still from The Intimacy Acceleration E16

Episode 16

★ 7.6

The Intimacy Acceleration

2015-02-26 · 20m

As 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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Still from The Colonization Application E17

Episode 17

★ 7.2

The Colonization Application

2015-03-05 · 20m

A 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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Still from The Leftover Thermalization E18

Episode 18

★ 7.0

The Leftover Thermalization

2015-03-12 · 19m

Friction 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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Still from The Skywalker Incursion E19

Episode 19

★ 7.4

The Skywalker Incursion

2015-04-02 · 21m

When 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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Still from The Fortification Implementation E20

Episode 20

★ 7.5

The Fortification Implementation

2015-04-09 · 20m

When 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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Still from The Communication Deterioration E21

Episode 21

★ 7.0

The Communication Deterioration

2015-04-16 · 19m

When 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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Still from The Graduation Transmission E22

Episode 22

★ 7.2

The Graduation Transmission

2015-04-23 · 19m

Howard 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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Still from The Maternal Combustion E23

Episode 23

★ 7.5

The Maternal Combustion

2015-04-30 · 19m

Personalities 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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Still from The Commitment Determination E24

Episode 24

★ 7.6

The Commitment Determination

2015-05-07 · 20m

As 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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Cast

Johnny Galecki

Johnny Galecki

Leonard Hofstadter

Jim Parsons

Jim Parsons

Sheldon Cooper

Kaley Cuoco

Kaley Cuoco

Penny

Simon Helberg

Simon Helberg

Howard Wolowitz

Kunal Nayyar

Kunal Nayyar

Rajesh Koothrappali

Melissa Rauch

Melissa Rauch

Bernadette Rostenkowski

Mayim Bialik

Mayim Bialik

Amy Farrah Fowler

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