Ancient Aliens: Strange Shadow People Terrorize Humans (Season 18)

After receiving multiple reports of strange shadow people sightings, Ancient Astronaut Theorists believe these beings could’ve been produced from alien technology, in this clip from Season 18, “The Shadow People.“ 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 HIST