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

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

Live' veterans participated in a "Tonight Show Joke Off," a riff on SNL's "Weekend Update" segment during which they battled it out for the best punchlines.

The 'Eternal Sunshine' singer has appeared as a musical and conversation guest on the well-known late-night chat show over ...

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

Philadelphia Eagles star Saquon Barkley nearly made Tonight Show host Jimmy Fallon fall over laughing when describing his ...

Season 14 of the ATX TV Festival has added a new screening and panel, a live late-night show and an honor for Christine ...

NEW YORK CITY, NEW YORK: Legendary late-night TV icon David Letterman gate-crashed Jimmy Fallon 's 'Tonight Show' monologue on Monday night, February 10, strolling onto the stage while the host was ...

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

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 ...

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 and John Oliver both paid surprise visits to their old stomping grounds Monday night. Bill Carter reports.