Details
Sheldon has a revelation when he realizes why a song was stuck in his head. Also, Amy invites Dave over for dinner despite their previously awkward date, and Wolowitz and Koothrappali become obsessed with a fan of their band, "Footprints on the Moon".
- Comedy
- English
Cast & Crew
- Johnny Galecki , Jim Parsons , Kaley Cuoco , Simon Helberg , Kunal Nayyar , Melissa Rauch , Mayim Bialik
- Chuck Lorre, Bill Prady
- Anthony Del Broccolo, Robinson Green, Kristy Cecil, Steven Molaro, Bill Prady, Chuck Lorre