Unsealed: Alien Files - Summer of Saucers

Seizoen: 4 - Aflevering: 13 / 98 - Eerst uitgezonden: 01 augustus 2015 - Episode ID: 1391637

In 1947, a series of UFO sightings triggers an unprecedented analysis that propels the UFO phenomenon on to the world stage. We investigate how the U.S. Air Force comes to the stunning conclusion that UFOs may not be from Earth.