When does Late Night with Conan O'Brien return?

Late Night with Conan O'Brien aired 2,725 episodes from September 13, 1993, to February 20, 2009. The show featured varied comedic material, celebrity interviews, and musical and comedy performances. It debuted in 1993 after David Letterman moved to CBS to host Late Show opposite The Tonight Show. In 2004, as part of a deal to secure a new contract, NBC announced that O’Brien would leave Late Night in 2009 to succeed Jay Leno. Jimmy Fallon began hosting his version of the show in March 2009.