These are the late-night Monday–Friday schedules for all three networks for the 1958–59 season. All times are Eastern and Pacific.
Talk shows are highlighted in yellow, local programming is white.
Schedule 11:00 PM11:30 PM12:00 AM12:30 AM1:00 AM1:30 AM2:00 AM2:30 AM3:00 AM3:30 AM4:00 AM4:30 PM5:00 AM5:30 AMABClocal programming or sign-offCBSlocal programming or sign-offNBCFall11:15 PM: The Jack Paar Show+local programming or sign-offJuly11:15 PM: The Jack Paar Show/The Best Of Paar* (F)
+ formerly The Tonight Show. Beginning on July 10, 1959, the Friday night shows were repeats of previous shows.
Sources
Castleman & Podrazik, The TV Schedule Book, McGraw-Hill Paperbacks, 1984 Brooks & Marsh, The Complete Directory To Prime-Time Network TV Shows, Ballantine, 1984 TV schedules, The New York Times, September 1958–September 1959 (microfilm)