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Authorities all over the world say UFOs are real, but what are they, and are they a threat? This series examines the best and latest evidence caught on camera.
UFO
Aliens - striden om utomjordingarna
Top Secret UFO Projects Declassified
UFOs Declassified
Hangar 1: The UFO Files
The Proof Is Out There: Bermuda Triangle Edition
UFOs: Investigating the Unknown
Ummo: La España alienígena
The Secret of Skinwalker Ranch
In Search of Aliens
Alien Encounters: Fact or Fiction
UFO-SPOT
Riddle of the Skies
Craig Charles: UFO Conspiracies
REAL or FAKE
UFO Seekers
UFOs: The Lost Evidence
In Search Of
