archytele The Vault
Episode guide

S4·E10 The Alien Parasite Hypothesis

Core Aired December 9, 2010

Narrative Classification: Standard continuity chapter maintaining character development and season progression.

Synopsis

Amy finds she has sexual feelings for Penny's ex, while Koothrappali and Wolowitz try to prove who would be the better superhero.

Rate this episode

Your rating is anonymous and can be changed later.

Be the first viewer to rate it.

Frequently Asked Questions

When did Season 4 Episode 10 of The Big Bang Theory air?

Season 4, Episode 10 ('The Alien Parasite Hypothesis') originally aired on December 9, 2010.

How long is Season 4 Episode 10 ('The Alien Parasite Hypothesis')?

The episode follows the standard broadcast runtime for The Big Bang Theory.

What happens in The Big Bang Theory Season 4 Episode 10?

Amy finds she has sexual feelings for Penny's ex, while Koothrappali and Wolowitz try to prove who would be the better superhero....