When does the next episode air? Showing local listings for US 
Thursday, April 26 at 8:00 on E4
Season 11, Episode 21 - The Comet Polarization
Sheldon's comic book store experiences changes when writer Neil Gaiman puts Stuart's store on the map. Also, Koothrappali takes credit for Penny's astronomical discovery, and friendships are threatened.
Episode Listings
- Thursday, April 26 8:00 - NEW: The Comet Polarization
- Thursday, May 3 8:00 - NEW: The Monetary Insufficiency