The largest predator on the planet, the sperm whale, is your host for an amazing exploration of the final frontier – the world at the bottom of the ocean. From the makers of the Walking With series comes this incredible marine tour, in which you'll witness a rarely seen world of hidden mountain ranges, majestic canyons, volcanoes and the beautiful and often deadly creatures that inhabit the deep sea.
Bernard Hill
Scott MacCallum
Score: 5.3
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Score: 7.0
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Score: 6.0
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Score: 8.3
