Ancient Aliens: Prince Philip’s Secret UFO Investigation (Season 18)

Ancient Astronaut Theorists believe that Prince William might’ve investigated and researched a classified UFO phenomenon, in this clip from Season 18, “The World on Alert.“ Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite The HISTORY Channel shows at #AncientAliens Subscribe for more from Ancient Aliens and other great The HISTORY Channel shows: Find out more about the show and watch full episodes on our site: Check out exclusive The HISTORY Channel content: History Newsletter - Website - Facebook - Twitter - “Ancient Aliens“ explores the controversial theory that extraterrestrials have visited Earth for millions of years. The HISTORY Channel® is the leading destination f
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