The Big Bang Theory2007 | 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

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Season 5, Episode 1 The Skank Reflex Analysis

First Aired: September 22, 2011

In the fifth-series opener, Penny hits a low point when she realizes what she's done by sleeping with Raj; and Sheldon becomes the leader of the paintball team.

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Previous Episode

The Roommate Transmogrification

Season 4, Episode 24

May 19, 2011

Next Episode

The Infestation Hypothesis

Season 5, Episode 2

September 22, 2011

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