Nearly twenty years ago, The Big Bang Theory set up a story that it knew would take hundreds of episode to finish.
The Big Bang Theory focused on the shenanigans of Sheldon and his friends, but Penny's ex-boyfriend Zack stole the show with every appearance.
The Big Bang Theory's massive success made its whole cast into stars, but what have they all been up to since the series ...
Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook His appearance in the Season 3 episode “The Creepy Candy Coating Corollary,” was the first of many ...