The Big Bang Theory is an American sitcom which set in Pasadena, California. The show is about two male Caltech prodigies in their 20s, one an experimental physicist and the other a theoretical physicist.
Characters in The Big Bang Theory:
Leonard is an experimental physicist with an IQ of 173 who received his Ph.D. when he was 24 years old. He shares an apartment with colleague and friend Sheldon Cooper. He is the straight man of the series. Leonard has a romance relationship with his neighbor Penny.
Sheldon Cooper was a child prodigy, starting college at the age of 11, right after completing the 5th grade. As a theoretical physicist, he possesses a master's degree, two Ph.D.s, and an IQ of 187. He exhibits a strict adherence to routine; a lack of understanding of irony, sarcasm and humor; and a complete lack of humility.
Penny is the attractive, blonde neighbor who lives across the hall from Sheldon and Leonard. She has aspirations of a career in show business, and has been to casting calls and auditions but has not been successful thus far. To pay the bills, she works as a waitress at the Cheesecake Factory.
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The Big Bang Theory Seasons 1-2