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

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

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 former 'Late Show' bandleader is sitting in with Jimmy Fallon ... late night stage Monday. “Paul and I used to do a show pretty much exactly like this,” Letterman noted to the Tonight ...

Tuesday's "Tonight Show Starring Jimmy Fallon" features representation from the most recent NFL Super Bowl and NBA ...

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

Boston Celtics point guard Jaylen Brown appeared on "The Tonight Show with Jimmy Fallon" on Tuesday to talk about his performance brand as well as his NBA accomplishments. Fallon congratulated him on ...

Last night, the great David Letterman made a rare appearance on the Tonight Show right in the middle of Jimmy Fallon‘s monologue. Catching the audience – if not Fallon – by surprise ...

Most Super Bowl winners say they’re going to Disney World. This year, two Eagles are going elsewhere: 'The Tonight Show ...

John Oliver wasn’t the only late night ... “The Tonight Show” started Monday off with a surprise appearance from the now-retired David Letterman, who poked fun at Jimmy Fallon while ...

Super Bowl MVP Jalen Hurts and NFL rushing king Saquon Barkley were guests on The Tonight Show with Jimmy Fallon on Tuesday night. The two champions discussed a number of Philadelphia Eagles-related ...

11 (UPI) --David Letterman joined Jimmy Fallon during his monologue on The Tonight Show ... hosting Late Night with David Letterman, which aired immediately after Carson's show.