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Episode List


Season 3

21 Sep. 2009
The Electric Can Opener Fluctuation
After returning from the North Pole, a conflict among the guys sends Sheldon back to Texas and interferes with Leonard's reunion with Penny.
28 Sep. 2009
The Jiminy Conjecture
Leonard and Penny's first night together goes awkwardly. Sheldon and Howard wager on the species of a cricket.
5 Oct. 2009
The Gothowitz Deviation
Sheldon attempts to covertly alter Penny's habits, while Howard and Raj try their luck meeting women at a Goth-style club.
12 Oct. 2009
The Pirate Solution
When Raj has to find a new job or be sent back to India, Sheldon's solution leaves Leonard and Penny dealing with Howard as the third wheel.
19 Oct. 2009
The Creepy Candy Coating Corollary
Leonard is forced to ask Penny to set Howard up with one of her friends, while Sheldon seeks payback against sci-fi star Wil Wheaton.
2 Nov. 2009
The Cornhusker Vortex
Leonard tries to learn about football to fit in with Penny's friends. Meanwhile, a loss in a kite war threatens to end Raj and Howard's friendship.
9 Nov. 2009
The Guitarist Amplification
Sheldon is caught in the middle when Leonard and Penny argue about Penny's friend staying at her apartment.
16 Nov. 2009
The Adhesive Duck Deficiency
Penny is forced to turn to Sheldon for help when she dislocates her shoulder in the bathtub. Meanwhile, the rest of the guys accidentally get stoned in the desert while waiting for a meteor shower.
23 Nov. 2009
The Vengeance Formulation
Sheldon plans revenge after Kripke humiliates him on the radio. Howard develops doubts about his relationship with Bernadette.
7 Dec. 2009
The Gorilla Experiment
Sheldon attempts to help Penny understand physics to impress Leonard, while Howard becomes jealous when Bernadette takes an interest in Leonard's research.
14 Dec. 2009
The Maternal Congruence
Leonard's mother makes a visit to his dismay and Sheldon's delight.
11 Jan. 2010
The Psychic Vortex
Raj talks Sheldon into being his wingman at a university mixer. Leonard has trouble dealing with Penny consulting a psychic.
18 Jan. 2010
The Bozeman Reaction
When their apartment is robbed, Leonard and Sheldon turn to Howard and Raj to create a state-of-the-art security system.
1 Feb. 2010
The Einstein Approximation
Sheldon wreaks havoc when he is stumped by a difficult physics question.
8 Feb. 2010
The Large Hadron Collision
When Leonard is offered a trip to Switzerland on Valentine's Day to visit the CERN laboratory, Sheldon uses any and all means to be his guest instead of Penny.
1 Mar. 2010
The Excelsior Acquisition
Sheldon misses an opportunity to get Stan Lee's autograph because he has to make an appearance in traffic court.
8 Mar. 2010
The Precious Fragmentation
The guys' friendship is threatened when they find a ring from the "Lord of the Rings" trilogy.
22 Mar. 2010
The Pants Alternative
Sheldon seeks help from the rest of the gang in overcoming his fear of public speaking when he receives an award.
12 Apr. 2010
The Wheaton Recurrence
Sheldon takes on Wil Wheaton in a game of bowling. Leonard and Penny's relationship comes to a crossroad.
3 May 2010
The Spaghetti Catalyst
Sheldon is forced to go behind Leonard's back to spend time with Penny following their breakup.
10 May 2010
The Plimpton Stimulation
Chaos ensues when a nymphomaniac physicist visiting Sheldon hooks up with Leonard.
17 May 2010
The Staircase Implementation
Leonard tells Penny about how he and Sheldon became roommates and what happened to the elevator.
24 May 2010
The Lunar Excitation
Penny has a night of angry, drunken sex with Leonard, much to his confusion. Meanwhile, Howard and Raj search for Sheldon's perfect match online.

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