In 1993, he started working as a writer-producer on Late Night with David Letterman, which aired on NBC. Burnett ultimately made the move to CBS with Letterman when The Late Show was picked up at that network.

NEW YORK — Stephen Colbert has received support from his fellow late-night TV hosts following his cancellation by CBS, including from his predecessor. David Letterman, who was the host of “The Late Show” for 22 years, used his YouTube channel to post a video montage of the many times he ripped into CBS over the years for various reasons.

The actor was promoting the mockumentary 'I'm Still Here' when he delivered one of the strangest interviews ever recorded for late night television.

“When I came on this show with Dave, I originally did the pre-interview in character and I realized that it was just a little silly, so I called them back and I said, ‘Listen, this is what I’m doing. I’m coming out here and I’m doing this whole thing. And I just want Dave to like, lacerate me. I just want it to be really dangerous,'” the

There was truly nobody like David Letterman. The longest reigning late-night host in history, Letterman was quick-witted, irreverent, and hilarious. But it wasn't all laughs—for David Letterman, fame came at a terrible price.

On Tuesday night, the star said that he originally did the pre-interview in character and “I realized that it was just a little silly, so I called them back and I said, ‘Listen, this is what I’m doing. I’m coming out here and I’m doing this whole thing.’”

Joaquin Phoenix is looking back at the rollercoaster of awkwardness that etched his 2009 interview with David Letterman in late-night history.