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Aired Thursday June 23, 6:00pm - 6:30pmon E4 +1

The Big Bang Theory

Series 3 Episode 21: The Plimpton Stimulation

Sheldon meets a famous physicist online and invites her over to the flat. Once there, she flirts with Leonard and pays a visit to him in his bedroom. Penny finds out and confronts Leonard. Meanwhile, Sheldon is irked that Leonard is showing interest in his friend.

Original air date
Cast and crew
  • Mark CendrowskiDirector
  • Johnny GaleckiLeonard Hofstadter
  • Jim ParsonsSheldon Cooper
  • Kaley CuocoPenny
  • Simon HelbergHoward Wolowitz
  • Kunal NayyarRaj Koothrappali
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