9-1-1 deals with more insane emergencies, Waco kicks off Paramount Network's originals and more
Purported UFO sightings are chronicled in this companion series to "NASA's Unexplained Files," with the episodes featuring additional footage and interviews.
Season 1, Episode 4
March 4, 2015
An alleged UFO crash in Pennsylvania that may have been a Soviet satellite; and whether Mercury houses life.
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