Season 1 · Episode 16 of 36
Aired Mar 19, 1971
Secrets of the Sunken Caves
Fri, Mar 19, 1971
0 of 36 watched this season
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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Airs
Fri, Mar 19, 1971
Show
The Undersea World of Jacques Cousteau
36 episodes
Episode
S1 · E16
in The Undersea World of Jacques Cousteau