Late Night with Conan OBrien is an American late-night talk show hosted by Conan OBrien that aired 2,725 episodes on NBC between 1993 and 2009. The show featured varied comedic material, celebrity interviews, and musical and comedy performances. The second incarnation of NBCs Late Night franchise, OBriens debuted in 1993 after David Letterman, who hosted the first incarnation of Late Night, 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 OBrien would leave Late Night in 2009 to succeed Jay Leno as the host of The Tonight Show. Jimmy Fallon began hosting his version of Late Night on March 2, 2009.