1956–57 United States network television schedule (late night) explained

These are the late-night Monday–Friday schedules on the three networks for each calendar season, beginning September 1956. All times are Eastern and Pacific.

Talk shows are highlighted in

yellow, local programming is white.

Schedule

		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 or sign-off
CBS		local programming or sign-off
NBC	Fall	11:15 PM: Tonight Starring Steve Allen*				local programming or sign-off
	Winter	11:15 PM: *Tonight! America After Dark*			local programming or sign-off
	Spring	11:15 PM: Tonight! America After Dark				local programming or sign-off
	Summer	11:15 PM: *The Tonight Show Starring Jack Paar*				local programming or sign-off

Beginning in October, due to Steve Allen's commitment on his Sunday night NBC variety show, Ernie Kovacs became the host of The Tonight Show on Mondays and Tuesdays.

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, The New York Times, September 1956–September 1957 (microfilm)