The Big Bang Theory

Series 4 - 3. The Zazzy Substitution

The Zazzy Substitution

About this programme

3/24. Sheldon breaks up with Amy and turns to cats in his search for an alternative to human companionship. However, when he starts to bulk-buy pets, Leonard decides enough is enough and calls for reinforcements to help bring his friend back to his senses. Comedy, starring Jim Parsons.

Cast and crew


Leonard Hofstadter
Johnny Galecki
Sheldon Cooper
Jim Parsons
Kaley Cuoco-Sweeting
Howard Wolowitz
Simon Helberg
Raj Koothrappali
Kunal Nayyar
Amy Farrah Fowler
Mayim Bialik
Mary Cooper
Laurie Metcalf