The Time Travelers

Is it possible that sightings of alien beings or UFOs may actually be evidence of time travelers from the future? And might ancient astronauts actually be time travelers from our future? Scientists explore the theoretical possibility of time travel. How can it be achieved? And what might people from 10,000 years in the future look like?

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This show airs a few months a year. Most plans bill you all 12.

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S4 · E10

Aliens and Dinosaurs

Fri, May 4, 2012