1998–99 United States network television schedule (late night)
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These are the late night schedules for the four United States broadcast networks that offer programming during this time period, from September 1998 to August 1999. 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.
- Light blue indicates Local programming.
- Gray indicates encore programming.
- Yellow indicates late night talk or variety shows.
- Gold indicates network news programming.
|Network||11:00 pm||11:30 pm||12:00 am||12:30 am||1:00 am||1:35 am||2:00 am||2:30 am||3:00 am||3:30 am||4:00 am||4:30 am||5:00 am||5:30 am|
|ABC||Local Programming||Nightline (11:35)||Politically Incorrect with Bill Maher (12:07)||Local Programming||ABC World News Now||Local Programming||ABC World News This Morning|
|CBS||Fall||Local Programming||Late Show with David Letterman||The Late Late Show With Tom Snyder||Local Programming||Up To The Minute||Local Programming||CBS Morning News|
|Spring||The Late Late Show With Craig Kilborn|
|NBC||Local Programming||The Tonight Show with Jay Leno (11:35)
Saturday Night Live (Sat.)
|Late Night with Conan O'Brien||Later (Mon-Thu)
Friday Night (Fri, 1:35-2:35)
|Local Programming||NBC News at Sunrise|
|FOX||MADtv (Sat.)||Local Programming|
Note: NBC Nightside was cancelled in September 1998