1998–99 United States network television schedule (late night)

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.

Legend

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  •   Light blue indicates Local programming.
  •   Gray indicates encore programming.
  •   Yellow indicates late night talk or variety shows.
  •   Gold indicates network news programming.

Schedule

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Monday-Friday

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Network 11:00 PM 11:35 PM 12:00 AM 12:30 AM 1:00 AM 1:30/1:35 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 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 Late Night with Conan O'Brien Later (Monday-Thursday)
Friday Night (Friday, 1:35-2:35)
Local Programming NBC News at Sunrise

Note: NBC Nightside was cancelled in September 1998

Saturday

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Network 11:00 PM 11:30 PM 12:00 AM 12:30 AM 1:00 AM 1:30 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
NBC Local Programming Saturday Night Live Local Programming
Fox MADtv Local Programming

By network

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