Overview
The relationship between working sheepdogs and flocks of sheep. Selective breeding yields a sheepdog with outstanding abilities to tend the creature other canines prey upon.
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8 - 1The Great Rift: Footprints in the Valley October 08, 1989 -
8 - 2The Great Rift: Out of the Ashes October 15, 1989
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8 - 3The Great Rift: Breaking the Continent October 22, 1989
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8 - 4Under the Ice October 29, 1989
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8 - 5Land of Dragons November 12, 1989
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8 - 6The Great Wood of Caledon November 19, 1989
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8 - 7Gorillas December 10, 1989
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8 - 8Forest of Fear December 17, 1989
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8 - 9Gran Paradiso January 07, 1990
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8 - 10Cranes of the Grey Wind January 21, 1990
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8 - 11King Solomon's Mountains February 04, 1990
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8 - 12Hunters of the Sky February 11, 1990
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8 - 13A Wolf in the Fold February 18, 1990
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8 - 14The Colorado March 04, 1990
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8 - 15The Emerald Isle March 11, 1990
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8 - 16Giant Otters March 18, 1990
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8 - 17The Haida Gwai: Islands of the People March 25, 1990
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8 - 18Presque Isle: Land in Motion April 01, 1990
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8 - 19Yellowstone on Fire April 08, 1990
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8 - 20Serpents April 15, 1990