Ancient Aliens

2010 Series 22 Seasons TV-PG HD
DocumentaryMysterySci‑FiFantasy

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.

Ancient Aliens Season 21 Episode 15: Britain's UFO Files – Watch Online

Season 21 · Episode 15 ·

Ancient Aliens Season 21 Episode 15: Britain's UFO Files – Watch Online

Britain's UFO Files

From ancient sites like Stonehenge to the crop circle phenomenon and modern-day UFO sightings, Great Britain is a place of mysteries; exploring if throughout history this island has been a destination for extraterrestrial visitors.

17 episodes

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Ancient Aliens

Episode 15 of season 21 of Ancient Aliens: “Britain's UFO Files”. Aired 2025-10-16. Watch it online free on ZapFlix.