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

David Letterman crashed The Tonight Show on Monday night to reunite with Paul Shaffer and poke fun at Jimmy Fallon.

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

John Oliver’s not the only talk show host who can drop in on another show unexpectedly. Last night, the great David Letterman ...

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, ...

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

David Letterman made a surprise cameo on The Tonight Show Starring Jimmy Fallon on Feb. 10, interrupting Fallon's monologue ...

It was a night of surprise returns on late-night Monday (February 10), as not only did John Oliver make a surprise appearance on The Daily Show, but talk show legend David Letterman returned to The ...

The appearance from the former Late Night and Late Show host offered a reunion with bandleader Paul Shaffer, who is sitting in with his World’s Most Dangerous Band on The Tonight Show this week. The ...

Paul Shaffer isn't done with late night just yet! The musician is heading to Studio 6B in Rockefeller Center with The World's ...