Guest Star: Yoshi Barrigas
The Earworm Reverberation
Season 9, Episode 10 - Aired December 10, 2015
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".
Appeared as Trent