The Big Bang Theory

The Earworm Reverberation (9x10)

Data di messa in onda: Dic 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."