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

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

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

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

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

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

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

Tina Fey, Amy Poehler, and Seth Meyers held a reunion with Jimmy Fallon last night on The Tonight Show. Fey and Poehler interrupted the host’s monologue, much to his (feigned) surprise, and critiqued ...

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.

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 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 ...