1989–90 United States network television schedule (late night)

none December 2018 March 2025 1989 These are the late night schedules for the four United States broadcast networks that offer programming during this time period, from September 1989 to August 1990. 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.Acken Lori 2025-05-22 Johnny Carson's Final 'Tonight Show' Aired 33 Years Ago: Facts You Never Knew About the Final Episode https://www.tvinsider.com/1193523/johnny-carson-tonight-show-last-episode-fun-facts/ 2025-08-24 TV Insider en-US Legend #abbfff darkgray Light blue indicates Local programming. #C0C0C0 darkgray Gray indicates encore programming. yellow darkgray Yellow indicates late night talk or variety shows. gold darkgray Gold indicates network news programming. Schedule Monday-Friday Network11:00 pm11:30 pm12:00 am12:30 am1:00 am1:30/1:35 am2:00 am2:30 am3:00 am3:30 am4:00 am4:30 am5:00 am5:30 amABC FallLocal Programming NightlineLocal Programming Summer Into the Night Starring Rick DeesLocal ProgrammingCBS FallLocal Programming The Pat Sajak ShowLocal Programming CBS News Nightwatch Spring Wiseguy CBS Late NightLocal ProgrammingNBCLocal Programming The Tonight Show Starring Johnny Carson Late Night with David Letterman Later With Bob Costas (Mon-Thu, 1:35) Friday Night Videos (Fri, 1:30-2:30)Local Programming The Pat Sajak Show was reduced to 60 minutes on October 30, 1989. Saturday Network11:00 pm11:30 pm12:00 am12:30 am1:00 am1:30 am2:00 am2:30 am3:00 am3:30 am4:00 am4:30 am5:00 am5:30 amNBCLocal ProgrammingSaturday Night LiveLocal Programming FOX Comic Strip LiveLocal Programming Sunday Network11:00 pm11:30 pm12:00 am12:30 am1:00 am1:30 am2:00 am2:30 am3:00 am3:30 am4:00 am4:30 am5:00 am5:30 amNBCLocal ProgrammingThe George Michael Sports MachineLocal Programming By network ABC Returning series Nightline New series Into the Night Starring Rick Dees CBS Returning series CBS Late Night CBS News Nightwatch The Pat Sajak Show NBC Returning series Friday Night Videos The George Michael Sports Machine Late Night with David Letterman Later With Bob Costas Saturday Night Live The Tonight Show Starring Johnny Carson Fox Returning series Comic Strip Live References Category:United States late night network television schedules Category:1989 in American television Category:1990 in American television