Sheldon kicks Amy out of the apartment to work solo, and she and Leonard end up bonding during a series of science experiments; Howard is replaced by Bert in Footprints on the Moon.
Episode rating
Cast of episode
82
12
2
2
1
1
- Penny
- Sheldon Cooper
- Howard Wolowitz
- Leonard Hofstadter
- Amy Farrah Fowler
- Raj Koothrappali
- Bernadette Rostenkowski
- Mary Cooper
- Bert Kibbler
- Halley Wolowitz
- Toby