Leonard Hofstadter and Sheldon Cooper are both brilliant physicists working at Cal Tech 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 Cal Tech 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 women. When Penny, a pretty woman and an aspiring actress 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
Smart Is The New Sexy.
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Did You Know?
Much like the 4 main male characters, Amy and Bernadette wear the same style of clothing in every episode. Amy wears a knee length skirt with dark or colourful tights, a long sleeve, collared blouse with a knitted sleeveless cardigan, often underneath a long sleeved cardigan. Bernadette wears a mid-thigh length, usually floral, dress with dark or coloured tights and a short sleeved button up cardigan. Penny is the only main character whose clothes do not follow a pattern. See more
There are several chronological errors in the pictorial time-line shown during the musical title sequence. For example, the Moai of Easter Island are shown as "BC" and the Giza Pyramids follow the Chichen Itza 'El Castillo'. See more
[repeated line when Sheldon tells a sarcastic joke
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
History of Everything (The Big Bang Theory Theme)
Music & lyrics by Barenaked Ladies
Performed by Barenaked Ladies
Played during the opening titles See more