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Air

Episode number: 1

Overview: Earth's atmosphere weighs just one millionth of the mass of the planet, yet this fragile layer of air ensures the planet can be a home for life as we know it.

Water

Episode number: 2

Overview: Earth is the only planet with liquid water on its surface, and the story of this living planet is carried by water.

Land

Episode number: 3

Overview: A magnificent journey that uses fossil finds and satellite imagery to explore the beauty and wonder of the terrestrial realm that is our home.

Human Planet

Episode number: 4

Overview: Vying for first place in the ranks of Earth's most influential species of all time, Human endeavours have had conflicting impacts on our planet.