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
Cast
- 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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