Episodes

The Big Bang Theory: The Earworm Reverberation (CBS 10 Dec 2015 with Stephen Merchant)

AIRDATE: Thursday 10 December 2015 at 8.00pm on CBS

Season 9 Episode 10

Sheldon has a revelation when he realizes why a song was stuck in his head. Also, Amy invites Dave (Stephen Merchant) over for dinner despite their previously awkward date, and Wolowitz and Koothrappali become obsessed with a fan of their band.

REGULAR CAST: 
Johnny Galecki (Leonard)
Jim Parsons (Sheldon)
Kaley Cuoco (Penny)
Simon Helberg (Wolowitz)
Kunal Nayyar (Koothrappali)
Mayim Bialik (Amy)
Melissa Rauch (Bernadette)

GUEST CAST:
Stephen Merchant (Dave)
Yoshi Barrigas (Trent)

WRITTEN BY: Eric Kaplan, Jim Reynolds, Saladin Patterson
TELEPLAY BY: Steve Molaro, Steve Holland, Jeremy Howe
DIRECTED BY: Mark Cendrowski