The Big Bang Theory
The Spaghetti Catalyst
Season 3, Episode 20 · Aired 2010-05-03
Synopsis
When Leonard and Penny aren't speaking, Sheldon goes to extremes to keep them both happy.
In the series
This episode is part of The Big Bang Theory (2007–2019) on CBS.
Nerd culture goes multi-cam prime-time global.
Key cast
- Johnny Galecki as Leonard Hofstadter
- Jim Parsons as Sheldon Cooper
- Kaley Cuoco as Penny
- Simon Helberg as Howard Wolowitz
- Kunal Nayyar as Raj Koothrappali
- Mayim Bialik as Amy Farrah Fowler