It was almost a decade ago when Dave Chappelle rattled the comic universe by walking away from "Chappelle's Show," leaving a reported $50 million dollar contract on the table without an explanation.
On Tuesday, Chappelle opened up to David Letterman about why he left his Comedy Central show and what he regrets. You can watch an edited version of the interview above, or the entire 14 minutes below.
"Late Show with David Letterman" airs weeknights at 11:35 p.m. ET on CBS.