The Big Bang Theory Season 12 Episode 21
Kripke has proof that Dr. Pemberton plagiarized his thesis in college, and Sheldon and Amy aren’t sure if they should turn him in or not; Wolowitz learns that Bernadette wasn’t the only waitress at the Cheesecake Factory who had a crush on him.
Serie: The Big Bang Theory
Director: Nikki Lorre
Guest Star: John Ross Bowie, Joshua Malina, Kal Penn, Sean Astin