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The Big Bang Theory Season 3 episodes
S03 E01
The Electric Can Opener Fluctuation
21 mins · Mon, 21 Sep 2009
Sheldon goes back to Texas in disgrace when he learns that his friends tampered with his Arctic expedition data, because his quest for a breakthrough was becoming unbearable to live with.
S03 E02
The Jiminy Conjecture
21 mins · Mon, 28 Sep 2009
Leonard and Penny feel awkward around each other after their romantic liaison. They agree to be friends, but both find it hard to fight their attraction to each other. Meanwhile, Sheldon and Howard make a bet to determine a species of cricket.
S03 E03
The Gothowitz Deviation
20 mins · Mon, 5 Oct 2009
Leonard tries to mould Penny into his dream woman and rewards her with chocolate when she does things he approves of in the hope that she will keep doing them.
S03 E04
The Pirate Solution
21 mins · Mon, 12 Oct 2009
Raj must find a job or he'll be sent back to India. Desperate for employment, he even agrees to work for Sheldon so he can stay in the country.
S03 E05
The Creepy Candy Coating Corollary
21 mins · Mon, 19 Oct 2009
Sheldon enters a competition but is annoyed when he finds out that Star Trek actor Wil Wheaton is participating, because Wil cancelled his appearance at a sci-fi convention that Sheldon had attended as a child.
S03 E06
The Cornhusker Vortex
19 mins · Mon, 2 Nov 2009
Sheldon teaches Leonard about football so that he can try to fit in with Penny's friends. During the game, Leonard attempts to demonstrate what he has learned, but his explanations alienate him from the group.
S03 E07
The Guitarist Amplification
19 mins · Mon, 9 Nov 2009
Sheldon finds Leonard and Penny's arguments about Penny's male friend staying over 'inconvenient', and reveals that his parents fought a lot when he was a child and he hates to hear people arguing.
S03 E08
The Adhesive Duck Deficiency
20 mins · Mon, 16 Nov 2009
Leonard, Raj and Howard go on a mind-altering camping trip. Back home, Penny dislocates her shoulder when she slips in the shower, and Sheldon tries to drive her to hospital after Penny discovers she can't drive.
S03 E09
The Vengeance Formulation
19 mins · Mon, 23 Nov 2009
Wolowitz is scared about committing to Bernadette and so avoids her. He soon realises he's made a mistake and to compensate, proposes to her.
S03 E10
The Gorilla Experiment
21 mins · Mon, 7 Dec 2009
Penny feels left out when Bernadette shows an interest in science and so asks Sheldon to teach her about it. Eventually, she surprises everyone with what she's learned.
S03 E11
The Maternal Congruence
19 mins · Mon, 14 Dec 2009
Leonard is horrified when his mother, Beverly, turns up unannounced. His horror turns to anger when he learns that Sheldon knew about the visit and had found out about his parents' divorce before him.
S03 E12
The Psychic Vortex
19 mins · Mon, 11 Jan 2010
Sheldon and Raj go to a university party, Leonard disapproves of Penny's belief in psychics, and Raj lusts after a girl named Abby whom he meets at the party. Will he finally get the girl?
S03 E13
The Bozeman Reaction
20 mins · Mon, 18 Jan 2010
Leonard and Sheldon's flat is burgled. Determined to outwit any thieves, the gang work on creating a state-of-the-art security system to protect the apartment.
S03 E14
The Einstein Approximation
18 mins · Mon, 1 Feb 2010
Sheldon has 'theorist block' and is finding it difficult to muddle through a formula he's been working on. Taking inspiration from Albert Einstein, he takes a job at the Cheesecake Factory to try to kick start his creativity.
S03 E15
The Large Hadron Collision
21 mins · Mon, 8 Feb 2010
Leonard is invited to Switzerland to see the world's largest particle accelerator. When he asks Penny to go with him as a Valentine's Day treat, Sheldon searches for a way to take her place.
S03 E16
The Excelsior Acquisition
21 mins · Mon, 1 Mar 2010
Sheldon is sent to prison after riling a judge for making him miss a meeting.
S03 E17
The Precious Fragmentation
20 mins · Mon, 8 Mar 2010
A ring used in the film The Lord of the Rings causes a squabble within the gang.
S03 E18
The Pants Alternative
21 mins · Mon, 22 Mar 2010
Sheldon has been awarded a prestigious prize by the university, but is scared of collecting the gong at a ceremony because he knows he'll have to give a speech.
S03 E19
The Wheaton Recurrence
21 mins · Mon, 12 Apr 2010
Leonard tells Penny that he loves her but doesn't get the response he would have liked. Elsewhere, the gang go bowling and get a surprise when Sheldon's enemy is playing in the opposing team.
S03 E20
The Spaghetti Catalyst
20 mins · Mon, 3 May 2010
Sheldon tries to hide his friendship with Penny from Leonard, but it isn't long before his double life is exposed to Penny and Leonard. Can Penny and Leonard keep their friendships with Sheldon without hurting each other?
S03 E21
The Plimpton Stimulation
21 mins · Mon, 10 May 2010
Sheldon meets a famous physicist online and invites her over to the flat, where she ends up flirting with Leonard and visiting him in his bedroom.
S03 E22
The Staircase Implementation
20 mins · Mon, 17 May 2010
A flashback to the start of Sheldon and Leonard's friendship seven years previously explains the housemate agreement, and how Sheldon saved the lives of his friends.
S03 E23
The Lunar Excitation
20 mins · Mon, 24 May 2010
Raj and Howard register Sheldon for online dating and find the perfect woman, and Penny seduces Leonard while she's drunk, but regrets it the next day. Will Leonard regret their encounter?