Synopsis by Cecilia Cygnar
This documentary investigates the theory that extraterrestrials inhabited the Earth thousands of years ago, during the time of early humans. The program contains interviews with paranormal experts and historians, who talk about the conditions of the Earth during these ancient times and the types of interplanetary life that could have survived on the planet. The program also explores how the prehistoric human beings would have interacted with these aliens from other planets.
alien [not human], ancient-history, interplanetary, prehistoric, theory