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Ancient Aliens

HistoryDocumentary, Mystery · 22 seasons

7.1TMDB

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Season 21

Questions

Where can I watch Ancient Aliens?

Ancient Aliens streams on Netflix, Disney Plus, Amazon Prime Video, Hulu, Philo and Pure Flix.

How many episodes are in Season 21?

Season 21 has 17 episodes.

Episode roomAncient Aliens S21 E9
Still 1 from The Legacy of J. Allen Hynek

Ancient Aliens · Season 21 · Episode 9

The Legacy of J. Allen Hynek

Friday, August 29 · 60 min · ★ 8.5 on TMDB

Previews and trailers

Official trailer

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?

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