Sheldon and Penny agree to participate in an unusual experiment. Leonard, Amy, Raj and Emily spend the evening trying to escape a room with a "zombie". Howard and Bernadette run into trouble at the airport after returning from Mrs. Wolowitz's funeral.
Episode rating
Cast of episode
64
29
4
2
1
- Sheldon Cooper
- Penny
- Bernadette Rostenkowski
- Howard Wolowitz
- Raj Koothrappali
- Leonard Hofstadter
- Amy Farrah Fowler
- Emily Sweeney
- Cindy
- Bethany
- Zombie
- Airport Pedestrian