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 ex-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