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
Light blue indicates Local programming.
Gray indicates encore programming.
Yellow indicates late night talk or variety shows.
