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The Big Bang Theory – Season 4, Episode 10 The Alien Parasite Hypothesis

Play trailer The Big Bang Theory – Season 4, Episode 10 The Alien Parasite Hypothesis Aired Dec 9, 2010 Comedy Play Trailer Watchlist
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Amy realizes she has feelings for Penny's ex; Koothrappali and Wolowitz try to prove who would be a better superhero.
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The Big Bang Theory — Season 4, Episode 10

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Cast & Crew

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Johnny Galecki

Leonard Hofstadter

Jim Parsons

Sheldon Cooper

Kaley Cuoco

Penny

Simon Helberg

Howard Wolowitz

Kunal Nayyar

Raj Koothrappali

Melissa Rauch

Bernadette Rostenkowski
View All The Big Bang Theory — Season 4, Episode 10 photos

The Big Bang Theory — Season 4, Episode 10

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Episode Info

Synopsis Amy realizes she has feelings for Penny's ex; Koothrappali and Wolowitz try to prove who would be a better superhero.
Director
Mark Cendrowski
Executive Producer
Chuck Lorre, Bill Prady
Screenwriter
Chuck Lorre, Steven Molaro, Steve Holland, Lee Aronsohn, Jim Reynolds, Maria Ferrari
Network
CBS
Rating
TV-14 (D|L)
Genre
Comedy
Original Language
English
Release Date
Dec 9, 2010