Throughout its 12-season, 12-year run, "The Big Bang Theory" featured a ton of guest ... It gave him a character to play — 'Evil Wil Wheaton.' And then the character evolved over time and ...

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 ...