Late Show with David Letterman is a U.S. late-night talk show hosted by David Letterman on CBS. The show debuted on August 30, 1993, and is produced by Letterman's production company, Worldwide Pants Incorporated. The show's music director and band-leader of the house band, the CBS Orchestra, is Paul Shaffer. The head writers are brothers Justin Stangel andEric Stangel. The announcer is Alan Kalter, who replaced Bill Wendell in 1995. Of the major U.S. late-night programs, Late Showranks second in cumulative average viewers over time and third in number of episodes over time.
In most U.S. markets the show airs at 11:35 p.m. Eastern/Pacific time, but is recorded Mondays at 4:30 p.m. and 7:00 p.m., Tuesdays and Wednesdays at 5:30 p.m., and Thursdays at 4:30 p.m. The second Monday episode usually airs on Friday of that week.