Ancient Aliens
The Top Ten UFO Crashes
Season 17 Episode 4
The top 10 UFO crashes, from an acorn-shaped object found in the woods of rural Pennsylvania, to a mysterious craft that washed ashore in Japan, and an earth-shaking impact in Britain that defies explanation
Ancient Aliens airs on Sky History at 10:00 PM, Friday 9 May. (New, subtitles.)
Learn more about Ancient Aliens and other education/science/factual topics on our factual page
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