These are the late night schedules for the four United States broadcast networks that offer programming during this time period, from September 1999 to August 2000. All times are Eastern or Pacific. Affiliates will fill non-network schedule with local, syndicated, or paid programming. Affiliates also have the option to preempt or delay network programming at their discretion. Legend Schedule Monday-Friday Saturday By network ABC Returning series ABC World News Now ABC World News This Morning Nightline Politically Incorrect with Bill Maher CBS Returning series CBS Morning News with Julie Chen Late Show with David Letterman The Late Late Show with Craig Kilborn Up to the Minute Not returning from 1998-99: The Late Late Show with Tom Snyder Fox Returning series MADtv NBC Returning series Friday Night Late Night with Conan O'Brien Later Saturday Night Live The Tonight Show with Jay Leno New series Early Today Not returning from 1998-99: NBC News at Sunrise United States late night network television schedules 1999 in American television 2000 in American television