The Holographic Excitation

The gang celebrates Halloween at Stuart's comic book store. Meanwhile, Leonard seduces Penny with science.

Season 6 | Episode 5

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1227 EXPIRES IN 5 DAYS
Cast

Jim Parsons

as Sheldon Cooper

Johnny Galecki

as Leonard Hofstadter

Kaley Cuoco

as Penny

Simon Helberg

as Howard Wolowitz

Kunal Nayyar

as Raj Koothrappali