John Oliver’s not the only talk show host who can drop in on another show unexpectedly. Last night, the great David Letterman ...

On Feb. 10, David Letterman stopped by “The Tonight Show Starring Jimmy Fallon” while his former bandleader, Paul Shaffer, ...

David Letterman made a surprise appearance on The Tonight Show, crashing Jimmy Fallon's monologue to tell a few jokes and ...

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

Fallon was riffing with Paul Shaffer and the World’s Most Dangerous Band, Letterman’s longtime sidekick and band from his time hosting CBS’ Late Show from 1982 to 2015 — Shaffer and co were filling in ...

While Paul Shaffer filled in the for The Roots on “The Tonight Show Starring Jimmy Fallon,” he was reunited with a surprise ...

It was a throwback evening on NBC since Paul Shaffer and longtime members of his backing band filled in for the Roots as they prepped for the SNL 50th concert ...

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

David Letterman attended Iowa women's basketball game Sunday vs. No. 4 USC. Here's why the comedian was in attendance at ...

Caitlin Clark's final game at Carver-Hawkeye Arena last ... 4 USC, comedian and former late-night talk show host David Letterman made his way into the arena to watch the Hawkeyes and Clark's ...