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.
|First Air Date||April 20th, 2010|
|Last Air Date||August 16th, 2019|
|Production Company||Prometheus Entertainment|
|Executive Producer||Kevin Burns|
|Number of Seasons||14 Seasons|
|Number of Episodes||161 Episodes|
|Plot Keywords||history, paranormal investigation, ancient aliens theory, ufo conspiracy|