Shocking new evidence reveals that advanced civilizations might have existed on Earth tens of thousands of years ago; is it possible that a technologically advanced society thrived on Earth, and did they leave behind a record.
Cast:
Robert Clotworthy
Giorgio Tsoukalos
Erich von Däniken
David Childress
William Henry
Linda Moulton Howe
David Wilcock
Jonathan Young
Jason Martell