Ancient Aliens

2010 Series 22 Seasons TV-PG HD
DocumentaryMysterySci‑FiFantasy

Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings to continued mass sightings in the US, each episode gives historic depth to the questions, speculations, provocative controversies, first-hand accounts and grounded theories surrounding this age old debate.

Ancient Aliens Season 21 Episode 2: The Top Ten Mysterious Monoliths – Watch Online

Season 21 · Episode 2 ·

Ancient Aliens Season 21 Episode 2: The Top Ten Mysterious Monoliths – Watch Online

The Top Ten Mysterious Monoliths

Ancient Aliens is counting down the world's top ten most mysterious monoliths. From a 500-ton stone believed to represent an ancient UFO, to giant statues said to have been created with advanced technology and ornate pillars that depict otherworldly visitors. Could these extraordinary standing stones provide evidence of extraterrestrial visitation?

17 episodes

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Ancient Aliens

Episode 2 of season 21 of Ancient Aliens: “The Top Ten Mysterious Monoliths”. Aired 2025-02-14. Watch it online free on ZapFlix.