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 22nd, 2011 @ 7:00 PM CST
Penny is worried with how damaged her friendship with the guys will be in the aftermath of her sleeping with Raj while Sheldon becomes the leader of the paintball team.
Aired: September 22nd, 2011 @ 7:00 PM CST
A fight between Sheldon and Penny leaves Amy caught in the middle, while Leonard tries to spice up his long-distance relationship with Priya.
Aired: September 29th, 2011 @ 7:00 PM CST
Leonard and Amy get to know each other better, while Howard and Bernadette spend the weekend with Mrs. Wolowitz.
Aired: October 6th, 2011 @ 7:00 PM CST
Penny plays Matchmaker for Raj, which results in him finding a girl he is comfortable talking to.
Aired: October 13th, 2011 @ 7:00 PM CST
Sheldon and Leonard get invited to a party at Wil Wheaton's house, and Howard gets an out-of-this-world opportunity.
Aired: October 20th, 2011 @ 7:00 PM CST
Sheldon's mother, Mary Cooper, comes to visit, but Sheldon is annoyed that she also spends time with the rest of the gang, instead of catering to his every demand.
Aired: October 27th, 2011 @ 7:00 PM CST
A cute comic book artist puts Leonard and Priya’s relationship to the test, while Sheldon tries to scare the guys for Halloween.
Aired: November 3rd, 2011 @ 7:00 PM CST
Amy becomes heartbroken when she discovers that Penny and Bernadette went wedding dress shopping without her.
Aired: November 10th, 2011 @ 7:00 PM CST
Leonard and Penny try hanging out as friends on a 'non-date', but end up purposely ruining each others chances with perspective dates. Meanwhile, Sheldon enlists the help of Bernadette and Amy to...
Aired: November 17th, 2011 @ 7:00 PM CST
Sheldon considers taking his relationship with Amy to the next level when Stuart from the comic book store asks her out on a date.
Aired: December 8th, 2011 @ 7:00 PM CST
Leonard must face his fears after being contacted by his high school tormentor.
Aired: January 12th, 2012 @ 7:00 PM CST
Sheldon gets in trouble with Amy when he isn't impressed by her recent accomplishment, and Howard must come to grips with Bernadette's dislike of children.
Aired: January 19th, 2012 @ 7:00 PM CST
Leonard, who broke up with Priya, asks Penny out to a spur-of the-moment romantic dinner for two, and the duo contemplates on their relationship.
Aired: January 26th, 2012 @ 7:00 PM CST
Leonard and Penny deal with the idea of starting a relationship again and Raj finally finds a "woman" he can talk to without being drunk, in the form of Siri on his new phone. Meanwhile, Sheldon...
Aired: February 2nd, 2012 @ 7:00 PM CST
Sheldon's selfish demands force Leonard to reconsider their friendship. Meanwhile, Wolowitz tries to pick his astronaut nickname.
Aired: February 9th, 2012 @ 7:00 PM CST
When Sheldon is forced to take his vacation, he goes to work with Amy in her neurobiology lab.
Aired: February 16th, 2012 @ 7:00 PM CST
Penny is horrified when Amy gives her a gift: a huge, quite horrible painting of the two of them. With no good way to avoid displaying it, she only hangs it up when Amy is over. When Amy catches...
Aired: February 23rd, 2012 @ 7:00 PM CST
Sheldon becomes agitated when his regular barber is out sick. Astronaut training causes Howard to reconsider wanting to go into space. Penny beats Leonard in chess, the first time she plays.
Aired: March 8th, 2012 @ 7:00 PM CST
Sheldon must choose between joining Amy at her aunt's birthday party or playing videogames all weekend with the guys.
Aired: March 29th, 2012 @ 7:00 PM CST
Penny buys Leonard and Sheldon “Star Trek” collectibles as a thank-you, leading Sheldon to be haunted by Mr. Spock. Meanwhile, Raj decides he has met the “Future Mrs. Koothrappali” after his...
Aired: April 5th, 2012 @ 7:00 PM CST
When Wolowitz gets to work with Stephen Hawking, Sheldon is willing to do anything to meet his hero.
Aired: April 26th, 2012 @ 7:00 PM CST
After the guys throw Howard a bachelor party, Bernadette reconsiders marrying him after learning about his sexual history.
Aired: May 3rd, 2012 @ 7:00 PM CST
When NASA moves up Howard's mission, he must face his fears and Bernadette's dad, thus putting the wedding plans in jeopardy. Meanwhile, Leonard says something surprising to Penny in the bedroom.