TV-PG
86%Planet Earth
Mar 5, 2006 S1 E4
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Description
tvDocumentary
David Attenborough celebrates the amazing variety of the natural world in this epic documentary series, filmed over four years across 64 different countries.
Episode 4Caves
Although often overlooked, caves are remarkable habitats with bizarre wildlife. Explore the structures created inside the earth as well as the adaptations animals have made to thrive in these environments.
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