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Counting down 10 mysteries of the deep, from sunken continents to puzzling ruins on the ocean floor and even artifacts that might be remnants of Atlantis; these underwater mysteries could provide a record of extraterrestrial visitation.
First Air Date : Apr 20, 2010
Last Air date : Mar 15, 2024
Episode : 249 Episode
Season : 20 Season
Runtime: 42:60 minutes
Studio: History
Country: United States of America
Cast: Robert Clotworthy, Giorgio A. Tsoukalos, Ariel Bar Tzadok, Jonathan Young, David Childress, Erich von Däniken
Crew:
