TV Series
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.
Creator(s): Kevin Burns
Season(s): 21
2010
2010
2011
2012
2012
2013
2014
2014
2014
2015
2016
2017
2018
2019
2020
2020
2021
2022
2023
2024
2025
