Ancient Aliens explores the controversial theory that extraterrestrials have visited Earth for millions of years. From the age of the dinosaurs to ancient Egypt, from. Catch up on season 1 of Ancient Aliens, only on HISTORY'. Full Episodes If ancient aliens visited Earth, what was their legacy, and did they leave behind. Watch the The Artificial Human full episode from Season 13, Episode 13 of HISTORY's series Ancient Aliens. Get more of your favorite full.
Watch the The Evidence full episode from Season 1, Episode 1 of HISTORY's series Ancient Aliens. Get more of your favorite full episodes only. Ancient Aliens is an American television series that premiered on April 20, , on the History channel. On April 10, , episode premieres returned to History. Season devoted to monsters, aliens, and conspiracies", commenting that, "Ancient Aliens defies all ability to suspend disbelief for the sake of entertainment.