TV Show Details
Air Date:April 20th, 2010
Last Air Date:February 5th, 2026
Network:History
Status:Returning Series
Genres:Documentary , Mystery , Sci-Fi & Fantasy
Original Language:English
Production Companies:Prometheus Entertainment
DirectorKevin Burns
Watch on Amazon Prime VideoPlot
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.
