| 释义 |
- Fall 1986
- Winter 1986/1987
- Spring 1987
- Summer 1987
{{unreferenced|date=December 2018}}These are the late night Monday-Friday schedules on all three networks for each calendar season beginning September 1986. All times are Eastern/Pacific. Talk/variety shows are highlighted in yellow, network news programs in gold, and local news & programs are highlighted in white background. Fall 1986| - | 11:00 PM | 11:30 PM | 12:00 AM | 12:30 AM | 1:00 AM | 1:30 AM | 2:00 AM | 2:30 AM | 3:00 AM | 3:30 AM | 4:00 AM | 4:30 AM | 5:00 AM | 5:30 AM | | ABC | local programming | ABC News Nightline | The Dick Cavett Show (Mon.-Wed.)/Jimmy Breslin's People (Thur.-Fri.) | Local |
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| CBS | local programming | CBS Late Night | local programming | CBS News Nightwatch |
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| NBC | local programming | The Tonight Show Starring Johnny Carson/Saturday Night Live (Sat.)/The George Michael Sports Machine (Sun., 11:30-12:00) | Late Night with David Letterman (Mon.-Thur.)/Friday Night Videos to 2:00 (Fri) | local programming |
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| Fox | The Late Show | local programming |
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Winter 1986/1987| - | 11:00 PM | 11:30 PM | 12:00 AM | 12:30 AM | 1:00 AM | 1:30 AM | 2:00 AM | 2:30 AM | 3:00 AM | 3:30 AM | 4:00 AM | 4:30 AM | 5:00 AM | 5:30 AM | | ABC | local programming | ABC News Nightline | Local |
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| CBS | local programming | CBS Late Night (Mon.-Thur.)/Keep on Cruisin' (Fri., 11:30-12:40) | local programming | CBS News Nightwatch |
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| NBC | local programming | The Tonight Show Starring Johnny Carson/Saturday Night Live (Sat.)/The George Michael Sports Machine (Sun., 11:30-12:00) | Late Night with David Letterman (Mon.-Thur.)/Friday Night Videos to 2:00 (Fri) | local programming |
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| Fox | The Late Show | local programming |
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Spring 1987| - | 11:00 PM | 11:30 PM | 12:00 AM | 12:30 AM | 1:00 AM | 1:30 AM | 2:00 AM | 2:30 AM | 3:00 AM | 3:30 AM | 4:00 AM | 4:30 AM | 5:00 AM | 5:30 AM | | ABC | local programming | ABC News Nightline | Local |
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| CBS | local programming | CBS Late Night (Mon.-Thur.)/Keep on Cruisin' (Fri., 11:30-12:40) | local programming | CBS News Nightwatch |
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| NBC | local programming | The Tonight Show Starring Johnny Carson/Saturday Night Live (Sat.)/The George Michael Sports Machine (Sun., 11:30-12:00) | Late Night with David Letterman (Mon.-Thur.)/Friday Night Videos to 2:00 (Fri) | local programming |
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| Fox | The Late Show | local programming |
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Summer 1987| - | 11:00 PM | 11:30 PM | 12:00 AM | 12:30 AM | 1:00 AM | 1:30 AM | 2:00 AM | 2:30 AM | 3:00 AM | 3:30 AM | 4:00 AM | 4:30 AM | 5:00 AM | 5:30 AM | | ABC | local programming | ABC News Nightline | Local |
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| CBS | local programming | CBS Late Night (Mon.-Thur.)/In Person from the Palace (Fri., 11:30-12:40) | local programming | CBS News Nightwatch |
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| NBC | local programming | The Tonight Show Starring Johnny Carson/Saturday Night Live (Sat.)/The George Michael Sports Machine (Sun., 11:30-12:00) | Late Night with David Letterman | Friday Night Videos (Fri.) | local programming |
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| Fox | The Late Show | local programming |
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{{US TV schedule (late night)}}{{DEFAULTSORT:1986-1987 United States Network Television Schedule (Late Night)}} 3 : United States late night network television schedules|1986 in American television|1987 in American television |