Opening monologues, sketches, celebrity interviews, and musical performances are commonly featured. When Johnny Carson signed off from The Tonight Show in 1992, his reign as the King of Late Night was ...

Conan O’Brien is set to visit Jimmy Fallon on The Tonight Show next Tuesday, Sept. 22, marking his second appearance on the late-night program since he ended his stint as host of the show in 2010.

Thirty-three years ago this month, Conan O’Brien made his late-night hosting debut, taking over the reins of “Late Night” for David Letterman in September 1993. The Brookline native recalled the big ...