John Oliver wasn't the only late night icon to crash this week. "The Tonight Show" started Monday off with a surprise ...

David Letterman - with help from some flour tortillas - made a return to the late-night stage Monday. Letterman crashed Jimmy ...

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

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 ...

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

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

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

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

It was a 30 Rock homecoming for David Letterman on February 10, as the former Late Night with David Letterman Host ...

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, ...