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?

Genre:

Documentary, Mystery, Sci-Fi & Fantasy

Seasons:

22

Episodes:

290

Actor:

Robert Clotworthy, Giorgio A. Tsoukalos, Ariel Bar Tzadok

Quality:

HD

Status:

Returning Series

First Air:

2010

IMDb:

7.1