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The Big Bang Theory S5E2 poster

Watch The Big Bang Theory – Season 5 Episode 2: The Infestation Hypothesis

The Big Bang Theory • Season 5, Episode 2 • 20 min • 2007 • ⭐ 7.9/10 • Comedy

Cast: Jim Parsons , Kaley Cuoco , Johnny Galecki , Simon Helberg , Kunal Nayyar , Melissa Rauch , Mayim Bialik

Directors: Chuck Lorre , Bill Prady

Watch The Big Bang Theory – S5E2

Episode Overview

A fight between Sheldon and Penny leaves Amy caught in the middle, while Leonard tries to spice up his long-distance relationship with Priya.

Episode Navigation

← Previous Episode Back to Season 5 Series Overview Next Episode →

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