Watch The Big Bang Theory Online
TV-14 CBS 22m 2006 8.3
**Airs Thursday, 8:00 PM EST on CBS**
A woman who moves into an apartment across the hall from two brilliant but socially awkward physicists shows them how little they know about life outside of the laboratory.
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The Big Bang Theory Full Episodes
Aired: September 23rd, 2010 @ 7:00 PM CST
Penny tags along on Sheldon's first ever date; Wolowitz finds a new use for a robotic arm.
Aired: September 30th, 2010 @ 7:00 PM CST
Realizing he will not live long enough to download his consciousness into a robot body, Sheldon tries to extend his life span.
Aired: October 7th, 2010 @ 7:00 PM CST
The guys are concerned as Sheldon searches for an alternative to human companionship.
Aired: October 14th, 2010 @ 7:00 PM CST
An embarrassing secret of Wolowitz's comes to light, while Sheldon and Raj have a small war at work.
Aired: October 21st, 2010 @ 7:00 PM CST
Leonard realizes he’s the only one without a girlfriend, while Sheldon wants to get rid of his.
Aired: October 28th, 2010 @ 7:00 PM CST
Leonard keeps an affair a secret from Sheldon, Howard and Raj.
Aired: November 4th, 2010 @ 7:00 PM CST
Sheldon's answers during an FBI interview put Wolowitz's security clearance in jeopardy.
Aired: November 11th, 2010 @ 7:00 PM CST
While the guys camp in line for a long-awaited movie screening, Penny and Bernadette invite Amy to her first slumber party.
Aired: November 18th, 2010 @ 7:00 PM CST
Penny asks Leonard to lie to her father, while Howard, Raj and Bernadette pull an all-nighter at a telescope.
Aired: December 9th, 2010 @ 7:00 PM CST
Amy finds she has sexual feelings for Penny's ex, while Koothrappali and Wolowitz try to prove who would be the better superhero.
Aired: December 16th, 2010 @ 7:00 PM CST
The guys find a "super" use for Penny's new boyfriend, Zack, when they enter a costume contest as the Justice League.
Aired: January 6th, 2011 @ 7:00 PM CST
Leonard's idea for a smartphone app derails his friendship with Sheldon.
Aired: January 20th, 2011 @ 7:00 PM CST
Bernadette runs into her ex-boyfriend while attending a science event with Wolowitz.
Aired: February 3rd, 2011 @ 7:00 PM CST
Hoping it will make him a better teacher, Sheldon has Penny give him acting lessons. Raj has fantasies about a friend's girlfriend.
Aired: February 10th, 2011 @ 7:00 PM CST
A wealthy donor to the university makes Leonard consider how far he's willing to go for the sake of science.
Aired: February 17th, 2011 @ 7:00 PM CST
As Wolowitz contemplates taking things with Bernadette to the next level, Leonard rekindles his relationship with Raj's sister.
Aired: February 24th, 2011 @ 7:00 PM CST
Sheldon becomes concerned when everybody begins to hang out at Raj's apartment and discovers Leonard is the center of the group.
Aired: March 10th, 2011 @ 7:00 PM CST
Sheldon is baffled by Wolowitz's magic trick. Meanwhile, Leonard realizes dating Priya may make it impossible to continue being friends with Penny.
Aired: March 31st, 2011 @ 7:00 PM CST
Sheldon's World of Warcraft online game account is hacked and he is determined to find out who did it. Also Penny shares some girl talk with her friends about Leonard and his new girlfriend. When...
Aired: April 7th, 2011 @ 7:00 PM CST
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.
Aired: April 28th, 2011 @ 7:00 PM CST
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...
Aired: May 5th, 2011 @ 7:00 PM CST
Raj attempts to cure his social anxiety disorder while Penny uses Bernadette to spy on Leonard and his girlfriend.
Aired: May 12th, 2011 @ 7:00 PM CST
When Howard finally breaks the news to his mom that he's engaged to Bernadette, it lands her in the hospital.