Season 1 · Episode 22
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500 million years beneath the sea
Thu, Jan 11, 1973
The crew dives at night to observe the Nautilus -- a living marine fossil.
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Thu, Jan 11, 1973
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The Undersea World of Jacques Cousteau
36 episodes
Episode
S1 · E22
in The Undersea World of Jacques Cousteau
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Hippo!
S1 · E23
Hippo!
Fri, Feb 16, 1973