For 70 years, the sudden sinking of the mighty British ship Britannic - larger than the sister ship Titanic - has been shrouded in mystery. Jacques Cousteau reveals the full story of November 21, 1916 when, on her sixth journey as a hospital ship, Britannic exploded and sank into the Aegean Sea.

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Main Cast: Jacques-Yves Cousteau, Pierre Cabarou, Raymond Coll, Albert Falco, Sheila Macbeth Mitchell, William H. Tantum IV, Theodore Strauss

Director: Jacques-Yves Cousteau

Writer: Theodore Strauss

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Cinematographer:

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