It was a throwback evening on NBC since Paul Shaffer and longtime members of his backing band filled in for the Roots as they prepped for the SNL 50th concert

It was a 30 Rock homecoming for David Letterman on February 10, as the former Late Night with David Letterman Host unexpectedly popped up during Jimmy Fallon's Tonight Show monologue. The hilarious moment came alongside Paul Shaffer and the World's Most Dangerous Band's own return to NBC,

The February 10 "Tonight Show Starring Jimmy Fallon" will close with a performance, and there is every reason to believe it will be a good one. Standout

David Letterman appeared on “The Tonight Show Starring Jimmy Fallon,” marking his first appearance on the show since Johnny Carson was host.

Letterman crashed Jimmy Fallon’s Tonight Show monologue Monday night, wandering onto the stage as Fallon was making some jokes about Sunday’s Super Bowl. “Is this the 23rd hour of the Today show?” Letterman asked.

While Paul Shaffer filled in the for The Roots on “The Tonight Show Starring Jimmy Fallon,” he was reunited with a surprise guest: David Letterman! Pres. Trump signs executive order pausing enforcement of U.