TV legend David Letterman made a surprise appearance on NBC’s “Tonight Show” on Monday night during host Jimmy Fallon’s ...

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

Show is turning green on Tuesday. Jimmy Fallon is set to entertain Philadelphia Eagles quarterback and Super Bowl MVP Jalen ...

Johnny Carson, the legendary host of 'The Tonight Show,' was married four times before his 2005 death. Here’s everything to ...