The Big Bang Theory (2007– )

TV Series  |  TV-14  |   |  Comedy

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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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Next Episode

Mon, Oct 12 at 8:00 PM on CBS

Leonard and Penny finally move in together leaving Sheldon very upset with this big change in his life and wishing he could go back to a time when he had no emotions in 2003 before he ...

Most Recent Episode

Monday, October 5
S9.E3 The Bachelor Party Corrosion
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    1 2 3 4 5 6 7 8 9 10 7.9/10 X  

The guys' science skills are put to the test when they get a flat tire during Leonard's bachelor party weekend in Mexico. Meanwhile, the girls force Penny to finally tell her family ...

Previous Episode

Monday, September 28
S9.E2 The Separation Oscillation
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    1 2 3 4 5 6 7 8 9 10 7.4/10 X  



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2016   2015   2014   2013   2012   2011   … See all »
Top 250 TV #218 | Won 1 Golden Globe. Another 47 wins & 156 nominations. See more awards »
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Series cast summary:
 Leonard Hofstadter (190 episodes, 2006-2015)
 Sheldon Cooper (190 episodes, 2006-2015)
 Penny / ... (189 episodes, 2007-2015)
 Howard Wolowitz (189 episodes, 2007-2015)
 Raj Koothrappali (189 episodes, 2007-2015)
 Bernadette Rostenkowski (119 episodes, 2009-2015)
 Amy Farrah Fowler (113 episodes, 2010-2015)


Leonard Hofstadter and Sheldon Cooper are both brilliant physicists working at Caltech in Pasadena, California. They are colleagues, best friends, and roommates, although in all capacities their relationship is always tested primarily by Sheldon's regimented, deeply eccentric, and non-conventional ways. They are also friends with their Caltech colleagues mechanical engineer Howard Wolowitz and astrophysicist Rajesh Koothrappali. The foursome spend their time working on their individual work projects, playing video games, watching science-fiction movies, or reading comic books. As they are self-professed nerds, all have little or no luck with popular women. When Penny, a pretty woman and an aspiring actress originally from Omaha, moves into the apartment across the hall from Leonard and Sheldon's, Leonard has another aspiration in life, namely to get Penny to be his girlfriend. Written by Huggo

Plot Summary | Add Synopsis


When beauty meets the brains. See more »




TV-14 | See all certifications »

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Release Date:

24 September 2007 (USA)  »

Also Known As:


Company Credits

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Technical Specs


Sound Mix:


Aspect Ratio:

1.33 : 1
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Did You Know?


The full names and occupations of the characters are as follows: Dr. Leonard Leakey Hofstader, Ph.D., Experimental Physicist; Dr. Sheldon Lee Cooper, B.S., M.S., M.A., Ph.D., Sc.D., Theoretical physicist; Howard Joel Wolowitz, M.Eng, Aerospace Engineer; Dr. Rajesh Ramayan Koothrappali, Ph.D., Astrophysics; Dr. Bernadette Mary Ann Rostenkowski, Ph.D., Microbiology; and Dr. Amy Farrah Fowler, Ph.D., Neurobiology. See more »


Sheldon's trademark knock (3 knocks + name, 3 knocks + name, 3 knocks + name) was not established until later in the first season, however, in a scene that pre-dates the start of the show, he is shown doing that knock sequence. See more »


[repeated line]
Penny: Holy crap on a cracker.
See more »

Crazy Credits

One of the final cards to appear in the credit sequence is the vanity card for Chuck Lorre Productions. In keeping with his practice on "Dharma and Greg" and "Two and a Half Men", there is a different message on the card each week, written by Chuck Lorre himself. See more »


Referenced in Saturday Night Live: Jim Parsons/Beck (2014) See more »


History of Everything (Instrumental)
Composed by Barenaked Ladies
Performed by Barenaked Ladies
Played during the end credits
See more »

Frequently Asked Questions

See more (Spoiler Alert!) »

User Reviews

CBS, please keep this on the air!!!!
1 October 2007 | by (United States) – See all my reviews

When my boyfriend tuned into the premiere I thought the show was going to be stupid. I was so surprised. This is the first TV show to really showcase nerds with pretty much dead on accuracy. This has a sparkling cast (Jim Parsons is the new and improved David Hyde Pierce) and fantastic humor that ranges from light slapstick to seriously quick wit. This show is a great love letter to nerds, and as such any nerd should give this a try. With a bunch of new (and very lame) shows debuting, it's good to see something worth watching! This premise isn't exactly new but the execution is nothing short of brilliant. Give it a shot!!

550 of 746 people found this review helpful.  Was this review helpful to you?

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