The Alien Parasite Hypothesis S10E10 - The Alien Parasite Hypothesis 2010
Amy finds she has sexual feelings for Penny's ex, while Koothrappali and Wolowitz try to prove who would be the better superhero.
- Released: 2010-12-09
- Runtime: 50 minutes
- Genre:
- Stars: Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Melissa Rauch, Mayim Bialik
- Director: Mark Cendrowski