You are viewing a list of 1 The Big Bang Theory episode featuring "Comet" in their title.
  • The Comet Polarization

    Season 11, Episode 21 - The Comet Polarization
    Airs April 19, 2018

    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.