Chris Gaines

Brooks released 'Chris Gaines: Greatest Hits' on Sept. 28, 1999.

"I love that project, so I'm excited," says Brooks.

On Nov. 13, 1999, Brooks performed double duty on NBC's 'Saturday Night Live'.

It's been 20 years since Brooks introduced the world to Chris Gaines.

Twenty-two years ago, Garth Brooks pivoted at the height of his fame to do something ... uh, let's call it "unexpected."

The 'Behind the Music' episode gives its viewers a number of insights into Gaines' entirely fictional life.