The-Big-Bang-Theory Season 12 Episode 23 [The Change Constant] Online
Watch Now : https://flixse.com/tv/1418-12-23/the-big-bang-theory.html
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.
Genre : Comedy
Network : CBS