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.
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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
10 eps
Specials
2009
5 eps
Season 1
2010
10 eps
Season 2
2010
16 eps
Season 3
2011
10 eps
Season 4
2012
12 eps
Season 5
2012
11 eps
Season 6
2013
8 eps
Season 7
2014
8 eps
Season 8
2014
12 eps
Season 9
2014
10 eps
Season 10
2015
15 eps
Season 11
2016
16 eps
Season 12
2017
15 eps
Season 13
2018
22 eps
Season 14
2019
12 eps
Season 15
2020
10 eps
Season 16
2020
7 eps
Season 17
2021
20 eps
Season 18
2022
20 eps
Season 19
2023
20 eps
Season 20
2024
20 eps
Season 21
2025
6 eps
Season 22
2026
Status
Returning Series
Original Language
EN
Network
History
Created By
Kevin Burns
Production
Prometheus Entertainment
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