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.

"Jerry was the beating heartbeat of the ‘Late Show with David Letterman' and directed some ... performances for "The Late Show:" including "Wicked," "Pippin," "The Adams Family," "Hedwig and ...

John Oliver’s not the only talk show host who can drop in on another show unexpectedly. Last night, the great David Letterman made a rare appearance on the Tonight Show right in the middle of ...

“Paul and I used to do a show ... 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 ...

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 ...

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 ...

David Letterman was famously denied the chance to take over The Tonight Show when Johnny Carson retired in 1992, but he made his way to the show 33 years later on Monday evening when he crashed ...