The Big Bang Theory

Series 3 - 21. The Plimpton Stimulation

The Plimpton Stimulation

About this programme

21/23. Sheldon invites a famous physicist to the flat after befriending her online, but is put out to find Leonard showing an interest in her. Meanwhile, Penny has to confront her boyfriend when the visitor turns up in his bedroom. Guest starring Judy Greer (Glenn Martin, DDS).

Cast and crew


Leonard Hofstadter
Johnny Galecki
Sheldon Cooper
Jim Parsons
Kaley Cuoco-Sweeting
Howard Wolowitz
Simon Helberg
Raj Koothrappali
Kunal Nayyar
Dr Elizabeth Plimpton
Judy Greer