On Feb. 10, David Letterman stopped by “The Tonight Show Starring Jimmy Fallon” while his former bandleader, Paul Shaffer, ...

"Is this the 23rd hour of The Today Show?,” Letterman asked as he wandered onto the stage to greet Jimmy Fallon.

TV legend David Letterman made a surprise appearance on NBC’s “Tonight Show” on Monday night during host Jimmy Fallon’s ...

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

Feb. 11 (UPI) -- David Letterman joined Jimmy Fallon during his monologue on The Tonight Show Monday. "Is this the 23rd hour of the Today show?" asked the former Late Show host, feigning confusion, ...

David Letterman crashes 'The Tonight Show,' roasts Jimmy Fallon, plays the tortilla game, then jokes about suing him.

Last night, the great David Letterman made a rare appearance on ... 33 years to be exact, back when Johnny Carson hosted. That era was a tough one for Letterman, who was thought to be a shoo ...