2017–18 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, starting September, 2017. 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. * Gold indicates network news programming.

2017–18 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, starting September, 2017. 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. * Gold indicates network news programming.