Fallon took the Radio City Music Hall stage Friday alongside The Roots to pay tribute to The Blues Brothers, the sketch ...

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

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

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

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, ...

The British host of “Last Week Tonight” said he wanted to be “the first to welcome America to its monarchy era.” ...

TV legend David Letterman returned to his former stomping grounds at 30 Rockefeller Plaza Monday for a surprise appearance on ...

Tina Fey and Amy Poehler burst from behind the curtain to interrupt Jimmy Fallon ’s “Tonight Show” monologue on Wednesday.

Elon Musk took his son to the Oval Office, so Jimmy Fallon saw no reason not to walk onstage with a child, too.

On Tuesday, Feb. 11, the Tesla CEO joined President Donald Trump for a press conference at the White House's Oval Office.

Fallon was riffing with Paul Shaffer and the World’s Most Dangerous Band, Letterman’s longtime sidekick and band from his time hosting CBS’ Late Show from 1982 to 2015 — Shaffer and co were filling in ...