Penny's second date with Stuart has significant implications for Leonard. Howard enlists the guys' help with one of his NASA projects.
The Big Bang Theory
The Classified Materials Turbulence
season 2 episode 22
episode aired on may 2009
Episode rating
Cast of episode
60
23
11
4
2
- Howard Wolowitz
- Sheldon Cooper
- Leonard Hofstadter
- Penny
- Raj Koothrappali
- Stuart Bloom
- Announcer
- Ground Controller
- Captain Sweatpants