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
When beauty meets the brains.
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Did You Know?
Sheldon verbally reveals his and Leonard's Pasadena apartment 4A's location as being 2311 Los Robles in season four, episode five, "The Desperation Emanation". In the one hundredth episode, Sheldon also reveals that their apartment building is across the street from the Colorado Avenue Chevron gas station, making their building a corner location, on the corner of Los Robles and Colorado. There are two incidences of this intersection in southern California, both located in Los Angeles County, the first one is E. Colorado Boulevard and N. Los Robles Avenue, Pasadena, California, 91101, and the second one is Colorado Boulevard and Los Robles Street, Los Angeles, California, 90041. However, 2311 Los Robles is not an address by either one of those intersections. Leonard does reveal, however, that they live in Pasadena, while declaring himself the Darth Vader of Pasadena. See more
In numerous episodes, Sheldon is heard to use the phrase "off of". Example - You get OFF a bus, not OFF OF. This is grammatically incorrect, and as such, would never be used by Sheldon Lee Cooper and his eidetic memory. See more
Look, Sheldon's hugging me!
It's a Saturnalia miracle!
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 True Blood: Bad Blood
History of Everything (The Big Bang Theory Theme)
Music & lyrics by Barenaked Ladies
Performed by Barenaked Ladies
Played during the opening titles See more