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The Big Bang Theory

List of The Big Bang Theory episodes (season 3)

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The Big Bang Theory Season 3 DVD

DVD cover for Season 3

Main article: Season 3


This is a list of episodes for the third season of the American sitcom that was originally aired on CBS from September 21, 2009 to May 24, 2010 with 23 episodes. It has received higher ratings than the previous two seasons with over 15 million viewers. The Complete Third Season DVD erroneously credits Mark Cendrowski for directing the entire season.

Cast Edit

Main article: List of The Big Bang Theory characters


Episodes Edit

Episode (Series) Episode (Season) Title Original Air Date Directed By Description
41 1 The Electric Can Opener Fluctuation September 21, 2009 Mark Cendrowski Following the gang's return from the Arctic, Penny is happier than most and shows how much she cares about Leonard. Sheldon is devastated when he learns that the gang faked his experiment results.
42 2 The Jiminy Conjecture September 28, 2009 Mark Cendrowski The episode begins with Sheldon, Howard and Raj in the comic book store, the first two arguing about comics. Leonard arrives and the others are surprised he is not with Penny. As Wolowitz and Koothrappali pry a little more, they discover Leonard is not as happy with the sex.
43 3 The Gothowitz Deviation October 5, 2009 Mark Cendrowski After a sexual encounter that results in Penny's bed breaking, Penny and Leonard end up sleeping in Leonard's room, much to Sheldon's dismay. Raj and Howard go to a goth bar to meet girls.
44 4 The Pirate Solution October 12, 2009 Mark Cendrowski Raj must find a new job or be sent back to India. Sheldon has a solution, which is to allow Raj to work "for" him, rather than work "with" him. Raj reluctantly accepts the offer. With Raj working for Sheldon, it makes Howard lonely, so he tries to stay with Leonard and Penny.
45 5 The Creepy Candy Coating Corollary October 19, 2009 Mark Cendrowski Sheldon enters a trading-card competition upon learning that Wil Wheaton, who he hates for not coming to a sci-fi convention he went to, will also be attending. Howard has a blind date with a cute girl named Bernadette.
46 6 The Cornhusker Vortex November 2, 2009 Mark Cendrowski Sheldon, who grew up in Texas where it was popular, teaches Leonard how to understand 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 are too clinical, and he fails to fit in.
47 7 The Guitarist Amplification November 9, 2009 Mark Cendrowski An argument between Leonard and Penny proves "inconvenient" to Sheldon. We learn that Sheldon's parents argued a lot when he was growing up, and he doesn't like to hear people arguing at all.
48 8 The Adhesive Duck Deficiency November 16, 2009 Mark Cendrowski Leonard is with Rajesh and Howard on a camping trip to watch the Leonid Meteor Shower, but all three succumb to 'magic' cookies they get from Deadhead campers nearby. Sheldon comes to Penny's rescue when she slips in the tub and hurts her shoulder.
49 9 The Vengeance Formulation November 23, 2009 Mark Cendrowski Wolowitz's new girlfriend, Bernadette, asks him where their relationship is going after their third date. He avoids her for a week, thinking about whether he should "settle" for her or hold out for the impossible (a hot girl from a sci-fi series being interested in him).
50 10 The Gorilla Experiment December 7, 2009 Mark Cendrowski Bernadette, in the guy's apartment for dinner, shows an interest in physics, particularly in the work that Leonard is conducting. Leonard offers her the chance to watch him conduct an experiment at work. Wolowitz is jealous of this and accuses Leonard of being interested in Bernadette. Noticing Bernadette's attention, Penny asks Sheldon to teach her a little physics.
51 11 The Maternal Congruence December 14, 2009 Mark Cendrowski A visit from Leonard's mother, Dr. Beverly Hofstadter (Christine Baranski), delights Sheldon and horrifies Leonard. Penny is upset because Leonard didn't mention his mother's visit to her.
52 12 The Psychic Vortex January 11, 2010 Mark Cendrowski Sheldon and Koothrappali attend a university mixer. They meet Abby (Danica McKellar), who takes a liking to Raj, and her friend Martha (Jen Drohan), who they go on a couple of dates with. Leonard has troubling dealing with Penny believing in psychics.
53 13 The Bozeman Reaction January 18, 2010 Mark Cendrowski When their apartment is robbed and their TV, video games, and computers are stolen, Leonard and Sheldon turn to Howard to create a state-of-the-art security system, which includes an electrified net over the door. Sheldon gets caught in that net and decides he needs to leave Pasadena.
54 14 The Einstein Approximation February 1, 2010 Mark Cendrowski Sheldon's search for the answer to a physics problem keeps him up all night for several days and he becomes obsessed with finding the answer.
55 15 The Large Hadron Collision February 8, 2010 Mark Cendrowski Leonard announces that the professor who was invited to a trip to see CERN's Large Hadron Collider in Switzerland was unable to go, so he (Leonard) was designated to be the replacement to go to Switzerland, and he gets to take one guest with him. Sheldon assumes that he is going.
56 16 The Excelsior Acquisition March 1, 2010 Peter Chakos Sheldon misses his chance to meet comic book legend Stan Lee when he has to attend traffic court after receiving a ticket because of Penny. The ticket was a camera shot of Sheldon running a red light in Penny's car when he was taking her to the hospital in 'The Adhesive Duck Deficiency'.
57 17 The Precious Fragmentation March 8, 2010 Mark Cendrowski On the way to buy Chinese food, the guys see someone that looks like Adam West, and follow him to a garage sale, where they buy a box of merchandise for 60 dollars. They ignore Penny's anger at not getting food, and among other things they find a 'Lord of the Rings' ring.
58 18 The Pants Alternative March 22, 2010 Mark Cendrowski Sheldon's friends come to his aid when his fear of public speaking stands between him and a coveted award.
59 19 The Wheaton Recurrence April 12 2010 Mark Cendrowski One night after making love, Leonard surprises Penny by saying "I Love You" but she can only say "thank you" and they both start to think about where their relationship is heading. The next day, Penny and the guys are in a bowling match with Stuart and the gang from the comic book store.
60 20 The Spaghetti Catalyst May 3, 2010 Anthony Rich Leonard and Penny have broken up. Sheldon meets Penny in the hall and invites himself to visit her in an hour for spaghetti with hot dogs.
61 21 The Plimpton Stimulation May 10, 2010 Mark Cendrowski Dr. Elizabeth Plimpton (Judy Greer), a cosmological physicist from Princeton University, is a guest of Sheldon, but ends up sleeping with Leonard and Raj. Penny shows her jealousy.
62 22 The Staircase Implementation May 17, 2010 Mark Cendrowski Leonard tells Penny the story of how he first met Sheldon and how the elevator was broken. This episode is mostly in flashback.
63 23 The Lunar Excitation May 24, 2010 Peter Chakos The guys invite Penny to witness an experiment to bounce a laser off the moon and back to Earth. They meet her dim-witted friend Zack, which drives Penny to drink since she can no longer tolerate idiots. She seeks comfort with Leonard.  Raj and Howard sign up Sheldon for on-line dating and they match him with Dr. Amy Farrah Fowler.

See also Edit

References Edit

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