These are the late night Monday-Friday schedules on all three networks for each calendar season beginning September 1957. All times are Eastern and Pacific.
Talk shows are highlighted in yellow, local programming is white.
Schedule 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 PM | 5:00 AM | 5:30 AM | |
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ABC | local programming or sign-off | |||||||||||||
CBS | local programming or sign-off | |||||||||||||
NBC | 11:15 PM: Tonight Starring Jack Paar | local programming or sign-off |