(2010)
Season 4
2010
22m
Episode 10 - The Alien Parasite Hypothesis
Amy finds she has sexual feelings for Penny's ex, while Koothrappali and Wolowitz try to prove who would be the better superhero.
Release Date
Dec 9, 2010
MAIN CAST
Johnny Galecki
Leonard Hofstadter
Jim Parsons
Sheldon Cooper
Kaley Cuoco
Penny
Simon Helberg
Howard Wolowitz
GUEST CAST
Brian Thomas Smith
Zack Johnson
