Episode Titles: Comet
You are viewing a list of 1 The Big Bang Theory episode featuring "Comet" in their title.
Season 11, Episode 21 - The Comet Polarization
Aired April 19, 2018
When author Neil Gaiman gives Stuart's comic book store a popularity boost, Sheldon is uncomfortable with the changes at the Comic Center. Meanwhile, Raj takes credit for an astronomical discovery made by Penny, putting their friendship at risk.