The Benefactor Factor

After meeting at a fund-raising gala, an aged, but wealthy, Cal Tech donor makes Leonard ponder if he's willing to have sex with her to secure another donation.

Season 4 | Episode 15

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Cast

Jim Parsons

as Sheldon Cooper

Johnny Galecki

as Leonard Hofstadter

Kaley Cuoco

as Penny

Simon Helberg

as Howard Wolowitz

Kunal Nayyar

as Raj Koothrappali