Home / Series / The Undersea World of Jacques Cousteau / Aired Order / Season 1 / Episode 16

Secrets of the Sunken Caves

The strange geological phenomenon of 'blue holes' is investigated by Captain Cousteau and his team, as they discover an undersea 'cathedral' one hundred feet below the surface.

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  • Originally Aired March 19, 1971
  • Runtime 50 minutes
  • Created June 27, 2019 by
    Administrator admin
  • Modified August 27, 2023 by
    Qumis
Name Type Role
Jacques-Yves Cousteau Guest Star
Jacques-Yves Cousteau Director