1989–1990 United States network television schedule (late night)

These are the late night Monday-Friday schedules on all three networks for each calendar season beginning September 1989. All times are Eastern/Pacific.

Talk/Variety shows are highlighted in yellow, Local News & Programs are highlighted in white.

Fall 1989

-	11:00 PM	11:30 PM	12:00 AM	12:30 AM	1:00 AM	1:30 AM	2:00 AM
ABC American Broadcasting Company The American Broadcasting Company is an American commercial broadcasting television network. Created in 1943 from the former NBC Blue radio network, ABC is owned by The Walt Disney Company and is part of Disney-ABC Television Group. Its first broadcast on television was in 1948...	local programming	ABC News Nightline	Local
CBS	local programming	The Pat Sajak Show The Pat Sajak Show The Pat Sajak Show is an American late-night television talk show which aired on CBS from January 9, 1989 to April 13, 1990.-Cast:The show was hosted by Pat Sajak, best known as host of the game show Wheel of Fortune...			local programming		CBS News Nightwatch CBS News CBS News is the news division of American television and radio network CBS. The current chairman is Jeff Fager who is also the executive producer of 60 Minutes, while the current president of CBS News is David Rhodes. CBS News' flagship program is the CBS Evening News, hosted by the network's main...
NBC NBC The National Broadcasting Company is an American commercial broadcasting television network and former radio network headquartered in the GE Building in New York City's Rockefeller Center with additional major offices near Los Angeles and in Chicago...	local programming	The Tonight Show Starring Johnny Carson The Tonight Show Starring Johnny Carson The Tonight Show Starring Johnny Carson is a talk show hosted by Johnny Carson under the Tonight Show franchise from 1962 to 1992. It originally aired during late-night.... /Saturday Night Live Saturday Night Live Saturday Night Live is a live American late-night television sketch comedy and variety show developed by Lorne Michaels and Dick Ebersol. The show premiered on NBC on October 11, 1975, under the original title of NBC's Saturday Night.The show's sketches often parody contemporary American culture... (Sat.)/The George Michael Sports Machine NBC Sports NBC Sports is the sports division of the NBC television network. Formerly "a service of NBC News," it broadcasts a diverse array of programs, including the Olympic Games, the NFL, the NHL, MLS, Notre Dame football, the PGA Tour, the Triple Crown, and the French Open, among others... (Sun., 11:30-12:00)		Late Night with David Letterman Late Night with David Letterman Late Night with David Letterman is a nightly hour-long comedy talk show on NBC that was created and hosted by David Letterman. It premiered in 1982 as the first incarnation of the Late Night franchise and went off the air in 1993, after Letterman left NBC and moved to Late Show on CBS. Late Night...		Later with Bob Costas Later (talk show) Later was a nightly half hour-long talk show that ran on NBC from 1988 until 2001. Later typically aired for half an hour at 1:30 a.m. following Late Night with David Letterman from 1988 to 1993, and Late Night with Conan O'Brien from 1993 to 2001... /Friday Night Videos Friday Night Videos Friday Night Videos is an American music video show broadcast on the NBC television network from July 29, 1983 to December 30, 2000, and was the network's attempt to capitalize on the emerging popularity of music videos as seen on MTV... (Fri., 1:30-2:30)	local programming

Winter 1989/1990

-	11:00 PM	11:30 PM	12:00 AM	12:30 AM	1:00 AM	1:30 AM	2:00 AM
ABC American Broadcasting Company The American Broadcasting Company is an American commercial broadcasting television network. Created in 1943 from the former NBC Blue radio network, ABC is owned by The Walt Disney Company and is part of Disney-ABC Television Group. Its first broadcast on television was in 1948...	local programming	ABC News Nightline	Local
CBS	local programming	The Pat Sajak Show The Pat Sajak Show The Pat Sajak Show is an American late-night television talk show which aired on CBS from January 9, 1989 to April 13, 1990.-Cast:The show was hosted by Pat Sajak, best known as host of the game show Wheel of Fortune...			local programming		CBS News Nightwatch CBS News CBS News is the news division of American television and radio network CBS. The current chairman is Jeff Fager who is also the executive producer of 60 Minutes, while the current president of CBS News is David Rhodes. CBS News' flagship program is the CBS Evening News, hosted by the network's main...
NBC NBC The National Broadcasting Company is an American commercial broadcasting television network and former radio network headquartered in the GE Building in New York City's Rockefeller Center with additional major offices near Los Angeles and in Chicago...	local programming	The Tonight Show Starring Johnny Carson The Tonight Show Starring Johnny Carson The Tonight Show Starring Johnny Carson is a talk show hosted by Johnny Carson under the Tonight Show franchise from 1962 to 1992. It originally aired during late-night.... /Saturday Night Live Saturday Night Live Saturday Night Live is a live American late-night television sketch comedy and variety show developed by Lorne Michaels and Dick Ebersol. The show premiered on NBC on October 11, 1975, under the original title of NBC's Saturday Night.The show's sketches often parody contemporary American culture... (Sat.)/The George Michael Sports Machine NBC Sports NBC Sports is the sports division of the NBC television network. Formerly "a service of NBC News," it broadcasts a diverse array of programs, including the Olympic Games, the NFL, the NHL, MLS, Notre Dame football, the PGA Tour, the Triple Crown, and the French Open, among others... (Sun., 11:30-12:00)		Late Night with David Letterman Late Night with David Letterman Late Night with David Letterman is a nightly hour-long comedy talk show on NBC that was created and hosted by David Letterman. It premiered in 1982 as the first incarnation of the Late Night franchise and went off the air in 1993, after Letterman left NBC and moved to Late Show on CBS. Late Night...		Later with Bob Costas Later (talk show) Later was a nightly half hour-long talk show that ran on NBC from 1988 until 2001. Later typically aired for half an hour at 1:30 a.m. following Late Night with David Letterman from 1988 to 1993, and Late Night with Conan O'Brien from 1993 to 2001... /Friday Night Videos Friday Night Videos Friday Night Videos is an American music video show broadcast on the NBC television network from July 29, 1983 to December 30, 2000, and was the network's attempt to capitalize on the emerging popularity of music videos as seen on MTV... (Fri., 1:30-2:30)	local programming

Spring 1990

-	11:00 PM	11:30 PM	12:00 AM	12:30 AM	1:30 AM	2:00 AM
ABC American Broadcasting Company The American Broadcasting Company is an American commercial broadcasting television network. Created in 1943 from the former NBC Blue radio network, ABC is owned by The Walt Disney Company and is part of Disney-ABC Television Group. Its first broadcast on television was in 1948...	local programming	ABC News Nightline	Local
CBS	local programming	CBS Late Night			local programming	CBS News Nightwatch CBS News CBS News is the news division of American television and radio network CBS. The current chairman is Jeff Fager who is also the executive producer of 60 Minutes, while the current president of CBS News is David Rhodes. CBS News' flagship program is the CBS Evening News, hosted by the network's main...
NBC NBC The National Broadcasting Company is an American commercial broadcasting television network and former radio network headquartered in the GE Building in New York City's Rockefeller Center with additional major offices near Los Angeles and in Chicago...	local programming	The Tonight Show Starring Johnny Carson The Tonight Show Starring Johnny Carson The Tonight Show Starring Johnny Carson is a talk show hosted by Johnny Carson under the Tonight Show franchise from 1962 to 1992. It originally aired during late-night.... /Saturday Night Live Saturday Night Live Saturday Night Live is a live American late-night television sketch comedy and variety show developed by Lorne Michaels and Dick Ebersol. The show premiered on NBC on October 11, 1975, under the original title of NBC's Saturday Night.The show's sketches often parody contemporary American culture... (Sat.)/The George Michael Sports Machine NBC Sports NBC Sports is the sports division of the NBC television network. Formerly "a service of NBC News," it broadcasts a diverse array of programs, including the Olympic Games, the NFL, the NHL, MLS, Notre Dame football, the PGA Tour, the Triple Crown, and the French Open, among others... (Sun., 11:30-12:00)		Late Night with David Letterman Late Night with David Letterman Late Night with David Letterman is a nightly hour-long comedy talk show on NBC that was created and hosted by David Letterman. It premiered in 1982 as the first incarnation of the Late Night franchise and went off the air in 1993, after Letterman left NBC and moved to Late Show on CBS. Late Night...	Later with Bob Costas Later (talk show) Later was a nightly half hour-long talk show that ran on NBC from 1988 until 2001. Later typically aired for half an hour at 1:30 a.m. following Late Night with David Letterman from 1988 to 1993, and Late Night with Conan O'Brien from 1993 to 2001... /Friday Night Videos Friday Night Videos Friday Night Videos is an American music video show broadcast on the NBC television network from July 29, 1983 to December 30, 2000, and was the network's attempt to capitalize on the emerging popularity of music videos as seen on MTV... (Fri., 1:30-2:30)	local programming

Summer 1990

-	11:00 PM	11:30 PM	12:00 AM	12:30 AM	1:00 AM	1:30 AM	2:00 AM
ABC American Broadcasting Company The American Broadcasting Company is an American commercial broadcasting television network. Created in 1943 from the former NBC Blue radio network, ABC is owned by The Walt Disney Company and is part of Disney-ABC Television Group. Its first broadcast on television was in 1948...	local programming	ABC News Nightline	Into the Night Starring Rick Dees Rick Dees Rigdon Osmond "Rick" Dees III is an American comedic performer, entertainer, and radio personality, best known for his internationally syndicated radio show The Rick Dees Weekly Top 40 Countdown and for the novelty song "Disco Duck." He is a People's Choice Award recipient, a Grammy-nominated...		local programming
CBS	local programming	CBS Late Night				local programming	CBS News Nightwatch CBS News CBS News is the news division of American television and radio network CBS. The current chairman is Jeff Fager who is also the executive producer of 60 Minutes, while the current president of CBS News is David Rhodes. CBS News' flagship program is the CBS Evening News, hosted by the network's main...
NBC NBC The National Broadcasting Company is an American commercial broadcasting television network and former radio network headquartered in the GE Building in New York City's Rockefeller Center with additional major offices near Los Angeles and in Chicago...	local programming	The Tonight Show Starring Johnny Carson The Tonight Show Starring Johnny Carson The Tonight Show Starring Johnny Carson is a talk show hosted by Johnny Carson under the Tonight Show franchise from 1962 to 1992. It originally aired during late-night.... /Saturday Night Live Saturday Night Live Saturday Night Live is a live American late-night television sketch comedy and variety show developed by Lorne Michaels and Dick Ebersol. The show premiered on NBC on October 11, 1975, under the original title of NBC's Saturday Night.The show's sketches often parody contemporary American culture... (Sat.)/The George Michael Sports Machine NBC Sports NBC Sports is the sports division of the NBC television network. Formerly "a service of NBC News," it broadcasts a diverse array of programs, including the Olympic Games, the NFL, the NHL, MLS, Notre Dame football, the PGA Tour, the Triple Crown, and the French Open, among others... (Sun., 11:30-12:00)		Late Night with David Letterman Late Night with David Letterman Late Night with David Letterman is a nightly hour-long comedy talk show on NBC that was created and hosted by David Letterman. It premiered in 1982 as the first incarnation of the Late Night franchise and went off the air in 1993, after Letterman left NBC and moved to Late Show on CBS. Late Night...		Later with Bob Costas Later (talk show) Later was a nightly half hour-long talk show that ran on NBC from 1988 until 2001. Later typically aired for half an hour at 1:30 a.m. following Late Night with David Letterman from 1988 to 1993, and Late Night with Conan O'Brien from 1993 to 2001... /Friday Night Videos Friday Night Videos Friday Night Videos is an American music video show broadcast on the NBC television network from July 29, 1983 to December 30, 2000, and was the network's attempt to capitalize on the emerging popularity of music videos as seen on MTV... (Fri., 1:30-2:30)	local programming

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