Back in the ‘80s and ‘90s, David Letterman was known for two things: hosting a talk show, and having a big gap in his teeth.

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 Tonight Show” started Monday off with a surprise appearance from the now-retired David Letterman, who poked fun at Jimmy Fallon while reuniting with bandleader Paul Shaffer ...

On Feb. 10, David Letterman stopped by “The Tonight Show Starring Jimmy Fallon” while his former bandleader, Paul Shaffer, and his World’s Most Dangerous Band filled in for the Roots.

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 ...

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 ...

Letterman has kept busy since stepping away from late-night duties in 2015, most notably in his Netflix series, My Next Guest Needs No Introduction, with David Letterman. His most recent guests ...

Late night TV legend David Letterman made a surprise appearance on NBC’s “Tonight Show” on Monday night during host Jimmy Fallon’s opening monologue. It was Letterman’s first appearance on the show ...

By Rick Porter Television Writer David Letterman — with help from some flour tortillas — made a return to the late night stage Monday. “Paul and I used to do a show pretty much exactly like ...

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 ...

David Letterman made a surprise appearance on The Tonight Show Monday night, crashing Jimmy Fallon’s monologue to tell a few jokes and poke fun at the show’s current host. The occasion? Letterman’s ...