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Darrell follows the Columbus trail and dives past the limits of his gear into extreme danger. A huge discovery changes everything.
First Air Date : Apr 18, 2017
Last Air date : Aug 17, 2018
Episode : 14 Episode
Season : 2 Season
Runtime: 60:14 minutes
Studio: Discovery
Country: United States of America
Cast: Darrell Miklos, Roger Miklos
Crew:
