The Big Bang Theory Season 12 Episode 23
Overview
Sheldon and Amy await big news.
Director: Mark Cendrowski
Guest Star: Blair Hickey, Brian Posehn, Dinora Walcott, John Ross Bowie, Joshua Malina, Kevin Sussman, Major Mike, Nate Ash, Rodney J. Hobbs, Sailah Nicol, Sarah Michelle Gellar, Thomas Albany, Ulf Bjorlin