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An incredible sonar recording may prove that a prehistoric monster stalks the seas surrounding Kodiak Island. Researchers investigate why thousands of airplanes have disappeared without a ...
First Air Date : Feb 09, 2020
Last Air date : Nov 12, 2021
Episode : 20 Episode
Season : 2 Season
Runtime: 42:14 minutes
Studio: Travel Channel
Country: United States of America
Cast:
Crew: