Ancient Aliens
Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings to continued mass sightings in the US, each episode gives historic depth to the questions, speculations, provocative controversies, first-hand accounts and grounded theories surrounding this age old debate.

Season 21 · Episode 9 ·
The Legacy of J. Allen Hynek
Dr. J. Allen Hynek is best known as the notorious government UFO debunker who became one of the founding fathers of ufology. Was Dr. Hynek right when he ultimately concluded that there is a non-human intelligence on Earth?
17 episodes
No episodes match your search.
The cast behind this title
Titles you might also enjoy
About
Episode 9 of season 21 of Ancient Aliens: “The Legacy of J. Allen Hynek”. Aired 2025-08-29. Watch it online free on ZapFlix.