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Ancient Aliens

HistoryDocumentary, Mystery · 22 seasons

7.1TMDB

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Season 21

42mE1The Top Ten Extraordinary DiscoveriesFri, Feb 7 · ★ 8.0
42mE2The Top Ten Mysterious MonolithsFri, Feb 14 · ★ 8.0
42mE3The Top Ten UFO CrashesFri, Feb 21 · ★ 8.5
42mE4The Top Ten Unexplained TechnologiesFri, Feb 28 · ★ 8.0
60mE5The Top Ten Secret ProjectsFri, Mar 7 · ★ 8.0
60mE6The Top Ten Mysterious MountainsFri, Mar 14 · ★ 8.0
60mE7Mysteries of the AztecsFri, Mar 21 · ★ 8.5
60mE8The Glowing Orb PhenomenonFri, Mar 28 · ★ 8.5
60mE9The Legacy of J. Allen HynekFri, Aug 29 · ★ 8.5
60mE10The Volcano FactorFri, Sep 5 · ★ 8.5
60mE11The Birdman MysteryFri, Sep 12 · ★ 8.5
60mE12The Abduction FilesFri, Sep 19 · ★ 8.5
60mE13The GiantsThu, Oct 2 · ★ 8.5
60mE14Aliens in Our MidstThu, Oct 9 · ★ 8.5
60mE15Britain's UFO FilesThu, Oct 16 · ★ 8.5
60mE16Mysteries of the Norse GodsThu, Oct 23 · ★ 7.0
60mE17Secrets of JapanThu, Nov 6 · ★ 8.5

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 E10
Still 1 from The Volcano Factor

Ancient Aliens · Season 21 · Episode 10

The Volcano Factor

Friday, September 5 · 60 min · ★ 8.5 on TMDB

Previews and trailers

Official trailer
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Volcanoes have inspired countless myths and legends, but curiously, they are also major hotspots for UFO sightings; is it possible that these geological formations, which can generate great energy, are attracting otherworldly visitors?

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