The Big Bang Theory

Series 4 - 14. The Thespian Catalyst

The Thespian Catalyst

About this programme

14/24. Sheldon agrees to participate in a series of short lectures at the university, but is worried the students dislike him. Following Amy's advice, he asks Penny to give him acting lessons to help him engage with his audience. Elsewhere, Raj fantasises about his best friend's partner. Comedy, starring Jim Parsons.

Cast and crew


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