The Big Bang Theory

The Plimpton Stimulation

Series 3 - Episode 21 The Plimpton Stimulation

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Summary

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 & Crew

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