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The Holographic Excitation

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

Season 6 | Episode 5
TV-PG-DLS
Originally Aired On: April 26, 2017
1227 Expires May 2
PRESENTED BY
Cast

Jim Parsons

Sheldon Cooper

Johnny Galecki

Leonard Hofstadter

Kaley Cuoco

Penny

Simon Helberg

Howard Wolowitz

Kunal Nayyar

Raj Koothrappali