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.
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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....