When Sheldon hires a female grad student to assist him, a jealous Amy asks Penny to help her spy on them. On the space station, Howard begins behaving erratically.
Episode rating
Cast of episode
67
17
9
5
1
1
- Howard Wolowitz
- Sheldon Cooper
- Penny
- Amy Farrah Fowler
- Leonard Hofstadter
- Raj Koothrappali
- Bernadette Rostenkowski
- Dimitri
- Alex Jensen