Is it possible that shadow people, spirits, poltergeists, and other enigmatic entities are rooted in reality? See more in this scene from Season 2, Episode 12, "Aliens and the Unseen." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows ...

These strange beings have appeared in ancient texts and folklore worldwide, hinting at a more profound significance to this phenomenon. Learn more in this scene from Ancient Aliens Season 2, Episode 12, "ALIENS AND THE UNSEEN." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and ...

The walls within the Temple of Hathor, depict pharaohs traveling through the stars on a magic bubble. Ancient Astronaut Theorists believe this could mean space travel, in this clip from Season 18, "Alien Air Force." Watch all new episodes of Ancient Aliens, Fridays at 8/7c, and next day on The ...

Strange shadow people terrorize humans, in this clip from “The Proof Is Out There.” Watch all new episodes of Ancient Aliens, Fridays at 8/7c, and next day on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for more from Ancient Aliens and other great The ...

UFO researcher, Albert K. Bender, had to halt his studies after being visited by strange entities dressed in all black, 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 ...

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 ...