The Big Bang Theory

The 43 Peculiarity

Series 6 - Episode 8 The 43 Peculiarity

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Summary

The friends try to solve the mystery of Sheldon's post-lunch activities, following him to a secret room where they discover how he chills out. Elsewhere, Leonard is jealous when Penny starts texting a classmate, but things quickly change when Alex gets flirty with him.

Cast & Crew

Leonard Hofstadter Johnny Galecki
Sheldon Cooper Jim Parsons
Howard Wolowitz Simon Helberg
Raj Koothrappali Kunal Nayyar
Penny Kaley Cuoco
Alex Jensen Margo Harshman
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Sitcom