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 ...

Show has been hosted by some big names over the years, including Johnny Carson, Steve Allen, Jay Leno, Conan O’Brien, Jimmy ...

David Letterman and John Oliver both paid surprise visits to their old stomping grounds Monday night. Bill Carter reports.

David Letterman crashed The Tonight Show on Monday night to reunite with Paul Shaffer and poke fun at Jimmy Fallon.

David Letterman appeared on “The Tonight Show Starring Jimmy Fallon,” marking his first appearance on the show since Johnny ...