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These are the late night Monday-Friday schedules on all three networks for each calendar season beginning September 1956. All times are Eastern and Pacific.
Talk shows are highlighted in yellow white .
Fall 1956
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
ABC
local programming
CBS
local programming
NBC
11:15 PM: Tonight Starring Steve Allen *
local programming
Beginning in October, due to Steve Allen's commitment on his Sunday night NBC variety show, Ernie Kovacs became host of The Tonight Show on Mondays and Tuesdays.
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
ABC
local programming
CBS
local programming
NBC
11:15 PM: Tonight! America After Dark
local programming
Spring 1957
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
ABC
local programming
CBS
local programming
NBC
11:15 PM: Tonight! America After Dark
local programming
Summer 1957
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
ABC
local programming
CBS
local programming
NBC
11:15 PM: The Tonight Show Starring Jack Paar
local programming
Sources
Brooks & Marsh, The Complete Directory To Prime-Time Network TV Shows (3rd ed.), Ballantine, 1984
Castleman & Podrazik, The TV Schedule Book , McGraw-Hill Paperbacks, 1984
TV schedules, NEW YORK TIMES , September 1956-September 1957 (microfilm)
