When Leonard is offered a trip to Switzerland on Valentine's Day to visit the CERN laboratory, Sheldon uses any and all means to be his guest instead of Penny.
Episode rating
Cast of episode
- 72
- 13
- 8
- 6
- Sheldon Cooper
- Penny
- Raj Koothrappali
- Leonard Hofstadter
- Howard Wolowitz
- Cafeteria Patron
- Extra