The Top Ten Extraordinary Discoveries
S21E1
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Ancient Aliens S21E10 · The Volcano Factor
S21E105th September 20251h8.5(2)
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?
Episode
S21E10 · Season 21 · 10 of 20
Aired
5th September 2025
Network
History