Details
- Season
- Season 11
- Episode
- S11xE21
- Air Date
- 19 April 2018
- Where to watch
Overview
The Big Bang Theory season 11, episode 21 — “The Comet Polarization” (S11xE21) first aired on 19 April 2018.
Sheldon’s comic book store experience changes when writer Neil Gaiman puts Stuart’s store on the map. Also, friendships are threatened when Raj takes credit for Penny's astronomical discovery.