david letterman

“You realize this is being broadcast, don’t you?”

Shaffer was the host's bandleader for over 30 years, but at first he said no.

David Letterman broke the story.

His move from rival NBC changed the landscape of late-night television.

Film follows late-night host on a trip to Dublin, where Bono and the Edge deliver a live performance and discuss friendship.

"It's just my favorite," Letterman recalled in 2022.

Eccentric actor has never fully explained his bizarre behavior.

"It went completely off the tracks," the wrestler later revealed.

Watch some of Kalter’s funniest moments from the show.

Sarah Silverman will host the show.