CBS has released the official synopsis and promotional photos for the upcoming twenty-first episode of The Big Bang Theory‘s current season, an episode that has been titled “The Comet Polarization” and you can check it out below.
PENNY MAKES A SCIENTIFIC DISCOVERY, ON “THE BIG BANG THEORY,” THURSDAY, APRIL 19
Bestselling Author Neil Gaiman Guest Stars as Himself
“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, on THE BIG BANG THEORY, Thursday, April 19 (8:00-8:31 PM, ET/PT) on the CBS Television Network.
The Big Bang Theory airs on Thursdays, on CBS.
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