The Infestation Hypothesis

Sep 22, 2011 on CBS at 8:00 PM

Summary

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

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The Skank Reflex Analysis
Season 5 Episode 1

Sep 22, 2011

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The Pulled Groin Extrapolation
Season 5 Episode 3

Sep 29, 2011