Ancient Aliens Season 21 Episode 11
Episode Title: The Birdman Mystery
Countries:
United States,
Airing Date: September 12, 2025
Runtime:60 min
IMDb Rating:
Watch Ancient Aliens Season 21 Episode 11 full movie online free in HD with English subtitles – no download needed.
If ancient aliens visited Earth, what was their legacy, and did they leave behind clues that exist in plain sight such as sophisticated aircraft, complex electrical grids, and intricate construction machinery?
William Henry , Robert Clotworthy , Andrew Collins , Nick Pope , Erich von Däniken , Linda Moulton Howe , Philip Coppens , David Childress , Mike Bara , Jonathan Young , George Noory , 8 more , Nick Redfern , Robert Schoch , Michael Dennin , Hugh Newman , Giorgio A. Tsoukalos , David Wilcock , Bill Birnes , Ariel Bar Tzadok