What if life on Earth originated in space? Millions of people believe that intelligent life forms visited Earth thousands of years ago and were worshiped by primitive man as gods. Are Stonehenge and Easter Island the remaining remnants of an ancient alien invasion? This episode investigates evidence of super-human impacts on ancient man and starts on an around-the-world search for answers, from inexplicable super buildings to knowledge of the solar system, mathematics, and even the ability to create electricity. It’s a study of a notion that some believe cannot be true but that many agree cannot be dismissed.