Leonard and Sheldon are brilliant physicists, the kind of "beautiful minds" that understand how the universe works. But none of that genius helps them interact with people, especially women. All this begins to change when a free-spirited beauty named Penny moves in next door.
The Big Bang Theory Season 3 (2009-2010)
|3x01 The Electric Can Opener Fluctuation |
Discovering that Leonard, Raj, and Howard fudged the results of his Arctic research expedition, a disgraced Sheldon heads home to Texas.
|Sep. 21, 2009|
|3x02 The Jimmy Conjecture |
Sheldon and Howard wager comic books over a cricket's species. Meanwhile, a less-than-perfect romantic night agonizes Leonard and Penny.
|Sep. 28, 2009|
|3x03 The Gothowitz Deviation |
Howard takes Raj along to check out the Goth dating scene. Sheldon uses chocolate as part of a behavior modification experiment on Penny.
|Oct. 05, 2009|
|3x04 The Pirate Solution |
Facing a return to India, Raj needs a job desperately enough to consider working for Sheldon. Meanwhile, Howard becomes a third wheel to Leonard and Penny.
|Oct. 12, 2009|
|3x05 The Creepy Candy Coating Corollary |
Sheldon looks forward to squaring off against the the one actor from the Star Trek universe he holds enmity towards—Wil Wheaton—in a fantasy collectable card game tournament. Wolowitz ...
|Oct. 19, 2009|
|3x06 The Cornhusker Vortex |
Leonard, hoping to fit in with Penny's football-loving friends, gets tutored in the sport by Sheldon. Raj is infuriated when Wolowitz's skirt-chasing leads to the loss of his prized ...
|Nov. 02, 2009|
|3x07 The Guitarist Amplification |
A squabble between Leonard and Penny sees Sheldon playing mediator, though out of his own incovenience from the sitiation rather than altruism.
|Nov. 09, 2009|
|3x08 The Adhesive Duck Deficiency |
Penny is injured, but unfortunately Leonard, Howard and Raj are all away on a camping trip to the desert, so all she has to rely on is Sheldon.
|Nov. 16, 2009|
|3x09 The Vengeance Formulation |
While Wolowitz does everything he can do to make his new relationship with Bernadette work, Sheldon vows to destroy Kripke after being humiliated on National Public Radio.
|Nov. 23, 2009|
|3x10 The Gorilla Experiment |
Howard has regrets about introducing Bernadette to the others when she and Leonard really start to get along; forcing him into an uncomfortable position in which he will do anything ...
|Dec. 07, 2009|
|3x11 The Maternal Congruence |
A Christmas visit from his mother has Leonard discovering she's kept a lot of news from him that she shares with Sheldon and worrying if she'll approve of his romance with Penny.
|Dec. 14, 2009|
|3x12 The Psychic Vortex |
When Leonard and Howard go on a double date with Penny and Bernadette, Rajesh becomes the fifth wheel, and decides to seek a hook-up going to a university mixer accompanied by Sheldon ...
|Jan. 11, 2010|
|3x13 The Bozeman Reaction |
Returning from a dinner with the rest of the guys, Leonard and Sheldon are shocked to get back to a robbed apartment. Fearing the criminals will return, Sheldon becomes paranoid and ...
|Jan. 18, 2010|
|3x14 The Einstein Approximation |
When Sheldon starts suffering from "theorist's block" and can't complete a formula, he becomes depressed and is willing to do anything to find the right answer. He tries several techniques ...
|Feb. 01, 2010|
|3x15 The Large Hadron Collision |
After being invited to Switzerland to see the CERN Supercollider (the world's largest and highest-energy partile accelerator), Leonard wants Penny to join him on the travel, making ...
|Feb. 08, 2010|
|3x16 The Excelsior Acquisition |
Sheldon winds up in traffic court when he gets a ticket because of Penny.
|Mar. 01, 2010|
|3x17 The Precious Fragmentation |
When the guys find a ring from "The Lord of the Rings" at a garage sale, it threatens to tear them apart.
|Mar. 08, 2010|
|3x18 The Pants Alternative |
Sheldon's friends come to his aid when his fear of public speaking stands between him and a coveted award.
|Mar. 22, 2010|
|3x19 The Wheaton Recurrence |
Sheldon gets to square off on the bowling alley against nemesis Wil Wheaton, while Leonard and Penny have their own fight.
|Apr. 12, 2010|
|3x20 The Spaghetti Catalyst |
When a fight leads to Penny and Leonard no longer speaking to each other, Sheldon goes to extraordinary lengths to try to keep them both happy.
|May. 03, 2010|
|3x21 The Plimpton Stimulation |
Leonard and Sheldon vie to catch the eye of a visiting female physicist.
|May. 10, 2010|
|3x22 The Staircase Implementation |
Leonard recounts for Penny the story of how he met and moved in with Sheldon.
|May. 17, 2010|
|3x23 The Lunar Excitation |
While Penny worries that dating Leonard has ruined her for normal guys, Wolowitz and Koothrappali search for Sheldon's perfect match online.
|May. 24, 2010|
Season 3 Characters[none added]
Season 3 Videos[none added]
Season 3 Trivia[none added]
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