Season 6 · Episode 6
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Secrets of the Alien Signals
Thu, May 16, 2019
·
42 min
When NASA begins a strange experiment to communicate with dolphins, experts investigate if it's a prelude to making alien contact. But some fear that such a discovery could have apocalyptic consequences.
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Thu, May 16, 2019
42 min
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NASA's Unexplained Files
47 episodes
Episode
S6 · E6
in NASA's Unexplained Files
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S6 · E7
Planet of the Metal Aliens
Thu, May 16, 2019