Late Night with Conan O'Brien is an American television talk show broadcast by NBC. The show is the second installment of the Late Night franchise originally established by David Letterman. Hosted by Conan O'Brien, it aired from September 13, 1993, to February 20, 2009, replacing Late Night with David Letterman and was replaced by Late Night with Jimmy Fallon. The show featured varied comedic material, celebrity interviews, and musical and comedy performances. Late Night aired weeknights at 12:37 am Eastern/11:37 pm Central in the United States. From 1993 until 2000, Andy Richter served as O'Brien's sidekick; following his departure, O'Brien was the show's sole featured performer. The show's house musical act was The Max Weinberg 7 and led by E Street Band drummer Max Weinberg. 2609 episodes on Wikipedia's lists, September 13, 1993 – August 29, 2008. Wiki link