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

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

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 ...

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

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

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

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, ...

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

Philadelphia Eagles quarterback and Super Bowl MVP Jalen Hurts joins “The Lead” after the team’s win against the Kansas City ...

Tina Fey, Amy Poehler, and Seth Meyers appeared on 'The Tonight Show' alongside host Jimmy Fallon ahead of the 'SNL50' anniversary special.