1972–73 United States network television schedule (late night)

These are the late-night schedules for the three television networks during the 1972–73 season. All times are Eastern and Pacific.

PBS is not included, as member television stations had local flexibility over most of their schedules, and broadcast times for network shows might have varied. ABC and CBS are not included on the weekend schedules because those networks did not offer late-night programs of any kind on the weekend.

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

Monday-Friday

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- 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 Fall Local programming The Dick Cavett Show Local programming or sign-off
Winter ABC's Wide World of Entertainment
CBS local programming The CBS Late Movie Local programming or sign-off
NBC Fall local programming The Tonight Show Starring Johnny Carson local programming or sign-off
February The Midnight Special (Fri) local programming or sign-off

Saturday/Sunday

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- 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
NBC local programming The Weekend Tonight Show local programming or sign-off

By network

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