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Unsealed: Alien Files

Mass Sightings

Season 4 Episode 16
Many famous UFO sightings occur in remote locations with just a single eyewitness. But some sightings have taken place over large cities with hundreds of witnesses. Join us as we investigate the most famous mass sightings of UFOs.
  • 20 min
  • TV-PG
  • Premiered 09/03/2016