Season 5.
Season 1.Season 2.Season 3.Season 4.Season 5.Season 6.Season 7.Season 8.Season 9.Season 10.Season 11.Season 12.Season 13.Season 14.Season 15.Season 16.Season 17.Season 18.Season 19.Season 20.Season 21.Season 22.Season 23.Season 24.Season 25.Season 26.Season 27.Season 28.Season 29.Season 30.Season 31.Season 32.Season 33.Season 34.Season 35.Season 36.Season 37.Season 38.Season 39.Season 40.Season 41.Season 42.
Number of episodes: 20
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Episode 1.Alyeska: The Great Land
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Episode 2.Baja Lagoon
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Episode 3.Galapagos: How They Got There
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Episode 4.Galapagos: Cold on the Equator
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Episode 5.Galapagos: The Ocean Travelers
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Episode 6.Pantanal: Prairie of the Great Waters
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Episode 7.Cats
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Episode 8.Leopard: A Darkness in the Grass
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Episode 9.The Elephant Challenge
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Episode 10.Ichkeul: Between the Desert and the Deep Blue Sea
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Episode 11.In the Shadow of Fujisan: See No Evil
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Episode 12.In the Shadow of Fujisan: Bird of Happiness
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Episode 13.In the Shadow of Fujisan: Long Live the Turtle
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Episode 14.America's Wild Horses
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Episode 15.Holy Land: A Wilderness Like Eden
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Episode 16.Holy Land: Sweet Water, Bitter Sea
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Episode 17.The Forgotten Garden
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Episode 18.Lords of Hokkaido
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Episode 19.Designed for Living
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Episode 20.Masked Monkeys