The Big Bang Theory

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 chemistry among the friends and the developing romance between Leonard and Penny. The addition of M (more…)

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Season 4, Episode 10 The Alien Parasite Hypothesis

First Aired: December 9, 2010

Amy is attracted to Penny's ex-boyfriend; and Raj and Howard argue about which of them would be a better superhero.

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