Natural World - Season 22 (2004)

The Hammerhead Shark, one of the most bizarre predators of the deep, is at last revealing the secrets of its astonishing head. Marine biologists in Hawaii enter its eerie world to find out how a freak mutation has become a deadly weapon.

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A look at an ancient Eastern European forest, and its inhabitants.

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David Attenborough travels along the coast of Southern Africa which has an incredible variety of sharks, over 140 species, from massive great whites and tiger sharks to dozens of tiny sharks with intriguing names like the pyjama shark and leopard cat shark. The answer to why these seas are so rich in predators lies in the unique pattern of warm and cold currents allowing sharks that normally live oceans apart to coexist.

Documentary chronicled the maternal behavior of a cheetah and a leopard as they cared for their cubs in Tanzania's Serengeti National Park.

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Documentary about Apak Taktu, a young Inuit boy, making his first trips out onto the Arctic sea-ice with his father. Apak learns the skills essential to survival in the hostile wilderness - building igloos, travelling by dog sled, hunting seals and narwhals, and avoiding the dangerous attention of polar bears. A stunning portrait of the Canadian High Arctic, one of the coldest yet most beautiful places on earth.