1979-80 United States network television schedule (late night) Sources https://web.archive.org/web/20071015122215/http://curtalliaume.com/abc_day.html https://web.archive.org/web/20071015122235/http://curtalliaume.com/cbs_day.html https://web.archive.org/web/20071012211242/http://curtalliaume.com/nbc_day.html United States weekday network television schedules 1979 in American television 1980 in American television