The Big Bang Theory 2007 | TV Show

Cast & Crew  |  Episode Guide

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

User Rating:4.58 out of 5 (8,996 ratings)

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Season 1, Episode 17 The Tangerine Factor

First Aired: May 19, 2008

In the first-season finale, Leonard asks Penny out on a date after she breaks up with her boyfriend. To prepare for the big night, Leonard practices the date the day before with the guys.

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The Peanut Reaction

Season 1, Episode 16

May 12, 2008

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The Bad Fish Paradigm

Season 2, Episode 1

September 22, 2008