The Big Bang Theory › Season 9

S9 E10: The Earworm Reverberation

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".

Air date	Dec 10, 2015
Runtime	21 minutes
TMDB rating	★ 7.9/10