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 ...

On Feb. 10, David Letterman ... Show.” “Paul, what are you doing here?” he asked. “You know, it’s a funny story,” Shaffer ...

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.

By Rick Porter Television Writer David Letterman — with ... attempt at making a viral video, he had a suggestion for Fallon: “I was thinking when I came over here — what I’d really like ...

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