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

"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 ...

After singing the updated version of "Asshole," Leary and Fallon sat down to discuss the song. "I don't know if people are ...

Jimmy Fallon viewers were left surprised earlier this month when The Roots, the show's longtime house band, were noticeably absent.

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

Fans of Jimmy Fallon’s Tonight Show were caught off guard when the legendary house band, The Roots, suddenly vanished from ...

Boston Celtics point guard Jaylen Brown appeared on "The Tonight Show with Jimmy Fallon" on Tuesday to talk about his ...

Jalen Hurts and Saquon Barkley discussed the "Tush Push," shotgun beers and wallpaper on "The Tonight Show" with Jimmy Fallon.

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.

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

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, ...