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

Discover why The Roots left Jimmy Fallon's Tonight Show and when they'll be back! The post Why Fans Think The Roots Left ...

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.

Ahead of this weekend's 50th anniversary "Saturday Night Live" special, Poehler and Fey stopped by "The Tonight Show" to reminisce with Fallon.

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

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

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 ...

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 ...

David Letterman crashed The Tonight Show on Monday night to reunite with Paul Shaffer and poke fun at Jimmy Fallon.

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

David Letterman made a surprise cameo on The Tonight Show Starring Jimmy Fallon on Feb. 10, interrupting Fallon’s monologue to welcome his longtime musical director Paul Shaffer and The World’s Most ...