The Big Bang Theory Season 4

September. 23,2010
|
8.1
|
TV-14
| Comedy

This season the Big Bang gang’s romantic universe expands. On the rebound from Penny, Leonard falls into the arms of Raj’s sister Priya. Sheldon gets a girlfriend, or rather a friend who is a girl: Amy, a dour neurobiologist who declares herself besties with Penny. Howard and Bernadette heat up. And so do Raj and Bernadette (at least in Raj’s Bollywood daydream).

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The Big Bang Theory

2007  / TV-14
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This season the Big Bang gang’s romantic universe expands. On the rebound from Penny, Leonard falls into the arms of Raj’s sister Priya. Sheldon gets a girlfriend, or rather a friend who is a girl: Amy, a dour neurobiologist who declares herself besties with Penny. Howard and Bernadette heat up. And so do Raj and Bernadette (at least in Raj’s Bollywood daydream).

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Cast
Johnny Galecki, Jim Parsons
Producted By
Warner Bros. Television
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The Big Bang Theory Season 4 Full Episode Guide

Episode 24 - The Roommate Transmogrification
Episode 23 - The Engagement Reaction
Episode 22 - The Wildebeest Implementation
Episode 21 - The Agreement Dissection
First Aired: April. 28,2011

When Leonard spends too much time in the shower with Priya, Sheldon charges Leonard with two violations of the roommate agreement. However, before he can get too far, Priya uses her skills as a lawyer to nullify the charges due to the agreement's vague wording, much to Sheldon's dismay. When the guys take advantage of Priya's skills in order to eat Greek food on pizza night, Sheldon goes to Penny, who invites him to a girls' night out with Amy and Bernadette, which Sheldon agrees to after Penny mentions that they may be talking trash about Priya. After the girls drink some cocktails, they decide to take Sheldon dancing, which Sheldon reluctantly goes along with. After dancing, Sheldon takes an intoxicated Amy back to her apartment and as well as talking about Priya, meets a monkey who is addicted to smoking cigarettes. Amy tells Sheldon not to give in to Priya's law skills, before kissing him and going to her bathroom to vomit.

Episode 20 - The Herb Garden Germination
First Aired: April. 07,2011

Sheldon and Amy decide to start several rumors about the others as a test. Meanwhile, Howard takes his relationship with Bernadette to even higher level.

Episode 19 - The Zarnecki Incursion
First Aired: March. 31,2011

Sheldon's online-game account is hacked by Todd Zarnecki, who then proceeds to steal all his items prompting the guys to go on a quest to retrieve them. Penny, Bernadette and Amy discuss how Penny groomed Leonard to be willing to try various things and more adventurous boyfriend... for some other woman — Priya.

Episode 18 - The Prestidigitation Approximation
First Aired: March. 10,2011

Sheldon is baffled by Wolowitz's magic trick. Meanwhile, Leonard realizes dating Priya may make it impossible to continue being friends with Penny.

Episode 17 - The Toast Derivation
First Aired: February. 24,2011

Sheldon becomes concerned when everybody begins to hang out at Raj's apartment and discovers Leonard is the center of the group.

Episode 16 - The Cohabitation Formulation
First Aired: February. 17,2011

As Wolowitz contemplates taking things with Bernadette to the next level, Leonard rekindles his relationship with Raj's sister.

Episode 15 - The Benefactor Factor
Episode 14 - The Thespian Catalyst
First Aired: February. 03,2011

Hoping it will make him a better teacher, Sheldon has Penny give him acting lessons. Raj has fantasies about a friend's girlfriend.

Episode 11 - The Justice League Recombination
Episode 10 - The Alien Parasite Hypothesis
First Aired: December. 09,2010

Amy finds she has sexual feelings for Penny's ex, while Koothrappali and Wolowitz try to prove who would be the better superhero.

Episode 9 - The Boyfriend Complexity
Episode 8 - The 21-Second Excitation
Episode 5 - The Desperation Emanation
Episode 4 - The Hot Troll Deviation
Episode 2 - The Cruciferous Vegetable Amplification
First Aired: September. 30,2010

Realizing he will not live long enough to download his consciousness into a robot body, Sheldon tries to extend his life span.

Episode 1 - The Robotic Manipulation

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