The Big Bang Theory very nearly included a joke once that could've paved the way for a permanent change in Sheldon and Leonard's relationship.

Awkwardly hilarious is the best way to describe Leonard (Johnny Galecki) and Sheldon (Jim Parsons) on The Big Bang Theory, ...

American sitcom The Big Bang Theory centers around friends Leonard Hofstadter (Johnny Galecki), Sheldon Cooper (Jim Parsons), Penny Teller (Kaley Cuoco), Howard Wolowitz (Simon Helberg ...