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Former NIDS employee, retired Army Colonel John Alexander, visits the ranch and after the Skinwalker team repeat an experiment that he indicates may have opened a portal, they receive a mysterious signal that appears to be an attempt to communicate.
First Air Date : Mar 31, 2020
Last Air date : Apr 23, 2024
Episode : 49 Episode
Season : 5 Season
Runtime: 42:14 minutes
Studio: History
Country: United States of America
Crew:
