The Big Bang Theory

Series 3 - 20. The Spaghetti Catalyst

The Spaghetti Catalyst

About this programme

20/23. Sheldon tries to hide the fact he had dinner with Penny after she broke up with Leonard, hoping to stay friends with her. However, keeping secrets does not prove to be his strong point, and it isn't long before his deceit is exposed. Comedy, starring Jim Parsons, Kaley Cuoco and Johnny Galecki.

Cast and crew


Leonard Hofstadter
Johnny Galecki
Sheldon Cooper
Jim Parsons
Kaley Cuoco-Sweeting
Howard Wolowitz
Simon Helberg
Raj Koothrappali
Kunal Nayyar