Episode 1
From Pole to Pole
March 5, 2006
Episode 3
Fresh Water
March 19, 2006
Episode 6
Ice Worlds
November 5, 2006
Episode 7
Great Plains
November 12, 2006
Episode 8
Jungles
November 19, 2006
Episode 9
Shallow Seas
November 26, 2006
Episode 10
Seasonal Forests
December 3, 2006
Episode 11
Ocean Deep
December 10, 2006