Sheldon has a revelation when he realizes why a song was stuck in his head. Meanwhile, Amy invites Dave over for dinner despite their previously awkward date, and Howard and Raj become obsessed with a fan of their band.
Episode rating
Cast of episode
91
4
3
1
- Sheldon Cooper
- Penny
- Amy Farrah Fowler
- Raj Koothrappali
- Bernadette Rostenkowski
- Leonard Hofstadter
- Howard Wolowitz
- Dave Gibbs
- Trent Monaco