The Plimpton Stimulation

Sheldon hosts a visiting female physicist, but her intelligence seems matched by her libido.

Season 3 | Episode 21

TV-14-DL
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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