This program reveals that although alien sightings have become a big part of modern pop culture, they’re nothing new. For thousands of years, people all around the world have pointed to the skies and seen incredible flying objects. Dramatic re-creations, historical artifacts and interviews with leading UFO experts make a case that alien life forms have been in contact with Earth since ancient times. David Hatcher Childress, Erich von Däniken, Michael Cremo, Jason Martell and many others interviewed.