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Unsealed: Alien Files

Triangle Terror

Season 3 Episode 12
The flying saucer. For decades it's been synonymous with UFO terror. But millions of reported encounters tell a different story. Fear has taken a new shape. From Cold War showdowns to telepathic terrors, track the rise of Black Triangles!
  • 21 min
  • TV-PG
  • Premiered 03/02/2016