1958–59 United States network television schedule (late night) explained

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 AM
ABClocal programming or sign-off
CBSlocal programming or sign-off
NBCFall11:15 PM: The Jack Paar Show+local programming or sign-off
July11:15 PM: The Jack Paar Show/The Best Of Paar* (F)

+ formerly The Tonight Show.

Sources