The Big Bang Theory: Season 4 Episode 15: The Benefactor Factor
Starring: Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Carol Ann Susi
Length: 20 minutes
On Air Date: 14 Jul 2011
The Big Bang Theory: S04E15 Description: To secure needed funding for the university, Sheldon convinces Leonard to get friendly with a wealthy benefactor.