Read more: The 15 Best '80s Comedies Ranked Ultimately, getting Wil Wheaton to join "The Big Bang Theory" in literally any capacity was a challenge, and Bill Prady had to take matters into his own ...

"The Big Bang Theory" brought us an unforgettable mix of science, friendship, and laughter that we're still talking about 18 ...

Then, at 18, Wheaton suddenly left Hollywood. He explains why he left and came back and how he came to play his evil self on The Big Bang Theory. Produced by Will Wei. Camera by Devan Joseph.

You may know Wil Wheaton as Wesley Crusher from Star Trek: The Next Generation, Gordie from Stand by Me, or a fictionalized version of himself on The Big Bang Theory ...