Alien Origins

What are UFOs? Are they spacecraft? Or vessels of a different kind, from a place beyond imagination? Do they travel vast distances to reach planet Earth?And do they come in peace-- or to conquer? From mysterious planets at the edge of the Solar System, to epic journeys beyond the boundaries of time and space — Join us as the secret origins of alien visitors are UNSEALED.
* Ufologists discuss what UFOs may be, where they may originate and what may be their agenda

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S03E02 - Human Harvest