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Download SD Season 4 Episode
- Season 4 Second Skin
- Season 4 The 1952 Wave
- Season 4 The Freedom of Information Act
- Season 4 The Space Force
- Season 4 The Shoot Down Order
- Season 4 Seeing Is Believing
- Season 4 Inside UFOs
- Season 4 Unwelcome Visitors
- Season 4 Alien Journeys
- Season 4 Finding Aliens
- Season 4 UFOs Photos
- Season 4 UFOs From Earth
- Season 4 Summer of Saucers
- Season 4 Police Sightings
- Season 4 Space Shuttle Encounters
- Season 4 Mass Sightings
- Season 4 Mars, the Final Frontier
- Season 4 Alien Communications
- Season 4 Artificial Alien Intelligence
- Season 4 First Contact
Unsealed: Alien Files - Season 4 Episode 13 Summer of Saucers
6.70 20 minutes 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.
