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The Zazzy Substitution

When Sheldon "breaks up" with Amy, the guys worry when he starts replacing her with cats.

Season 4 | Episode 3
TV-PG-DL
Originally Aired On: February 23, 2017
1227 Expires March 1
PRESENTED BY
Cast

Jim Parsons

Sheldon Cooper

Johnny Galecki

Leonard Hofstadter

Kaley Cuoco

Penny

Simon Helberg

Howard Wolowitz

Kunal Nayyar

Raj Koothrappali