Ancient Aliens
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.

Season 21 · Episode 15 ·
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
No episodes match your search.
The cast behind this title
Titles you might also enjoy
About
Episode 15 of season 21 of Ancient Aliens: “Britain's UFO Files”. Aired 2025-10-16. Watch it online free on ZapFlix.