20 Season
259 Episode
Ancient Aliens - Season 4 Episode 3 The Greys
Who are the beings with big heads and giant eyes that seem to have been visiting our planet for millennia? Known by researchers as the "greys," these mysterious beings have been depicted in rock-art and carved stone figures throughout the ages and all over the world. Who are they, what planet do they come from, and what do they want?
- Year: 2024
- Country: United States of America
- Genre: Documentary, Mystery, Sci-Fi & Fantasy
- Studio: History
- Keyword: paranormal investigation, ancient aliens theory, ufo conspiracy, megalith, petroglyph
- Director: Kevin Burns
- Cast: Robert Clotworthy, Giorgio A. Tsoukalos, Ariel Bar Tzadok, Jonathan Young, David Childress, Erich von Däniken