This episode looks at our planet as a whole and considers the key factors that have shaped its natural history.
Episode 1
From Pole to Pole
49 min
Episode 2
Mountains
47 min
Episode 3
Fresh Water
49 min
Episode 4
Caves
48 min
Episode 5
Deserts
48 min
Episode 6
Ice Worlds
49 min
Episode 7
Great Plains
48 min
Episode 8
Jungles
48 min
Episode 9
The Shallow Seas
49 min
Episode 10
Seasonal Forests
49 min
Episode 11
Ocean Deep
48 min
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