The Big Bang Theory2007 | TV Show

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Two nerdy physicists share an apartment and an unlikely friendship with their beautiful neighbor with whom one of them is infatuated. Like the universe after the big bang, the show's popularity expanded, thanks to breakout star Jim Parsons, along with the (more…)

Premiered: September 24, 2007

Rating: TV-PG

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Season 2, Episode 20 The Hofstadter Isotope

First Aired: April 13, 2009

Penny is romanced by a friend of the guys' while at a comic-book store. Meanwhile, Leonard and Wolowitz search for love at a bar's ladies' night.

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The Dead Hooker Juxtaposition

Season 2, Episode 19

March 30, 2009

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The Vegas Renormalization

Season 2, Episode 21

April 27, 2009

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