The Gorilla Experiment
Show: The Big Bang Theory --> Season: 3 - Season 3
AirDate: 12/7/2009
Runtime: 21
Voting: 7.818 (44)

Overview: Penny gets help from Sheldon in order to understand what Leonard's work is, while Wolowitz develops a jealousy when Leonard starts hanging out with his new girlfriend.
Melissa Rauch
Bernadette Rostenkowski
Carol Ann Susi
Debbie Wolowitz (voice)