1965–66 United States network television schedule (late night)

These were the late night schedules on all three networks for each calendar season beginning at September 1965. All times are Eastern/Pacific.

NET is not included, as member television stations have local flexibility over most of their schedules and broadcast times for network shows may vary, ABC is not included on the weekend schedules (as the network do not offer late night programs of any kind on weekends).

Talk/Variety shows are highlighted in yellow, Local News & Programs are highlighted in white.

ABC
Returning Series
 * ABC's Nightlife with Les Crane

Not returning from 1964-65
 * The Les Crane Show
 * ABC's Nightlife

NBC
Returning Series
 * The Saturday/Sunday Tonight Show
 * The Tonight Show Starring Johnny Carson