These are the late night schedules on all three networks for each calendar season beginning September 1968. All times are Eastern/Pacific.
NET is not included, as member television stations have local flexibility over most of their schedules and broadcast times for network shows may vary, ABC is not included on the weekend schedules (as the network do not offer late night programs of any kind on weekends).
Talk/Variety shows are highlighted in yellow, Local News & Programs are highlighted in white.
Monday-Friday edit
| - | 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 | The Joey Bishop Show | Local programming or sign-off | |||||||||||
| CBS | Local programming or sign-off | |||||||||||||
| NBC | local programming | The Tonight Show Starring Johnny Carson | local programming or sign-off | |||||||||||
Saturday/Sunday edit
| - | 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 edit
ABC edit
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Returning Series
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NBC edit
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Returning Series
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