Ancient Aliens - Season 4 - Eps 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?
About Ancient Aliens

Title: Ancient Aliens
First Air Date: 2010-04-20
Last Air Date: 2025-03-28
Status: Returning Series
Rating: 6.874/10 (from 266 votes)
Language: EN
Seasons: 22
Total Episodes: 267
Network: History
Genres: Documentary, Mystery, Sci-Fi & Fantasy
Production Companies: Prometheus Entertainment
Synopsis
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.
Cast

Robert Clotworthy
Narrator (voice)

Giorgio A. Tsoukalos
Self

Ariel Bar Tzadok
Self

Jonathan Young
Self

David Childress
Self

Erich von Däniken
Self

Linda Moulton Howe
Self

David Wilcock
Self

George Noory
Self

Philip Coppens
Self