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Episode guide

Earth - Power of the Planet

Series 1

Earth - Power of the Planet

  • Earth - Power of the Planet, 1

    Dr Iain Stewart investigates the natural forces that have shaped our planet over billions of years. Here, he abseils into a lava lake and explores amazing underwater caverns.

  • Earth - Power of the Planet, 4

    Dr Iain Stewart explores our planet's evolution and ecology. Here, he looks at the oceans, from fierce waves and tidal bores to global currents and the dangers of global warming.

  • Earth - Power of the Planet, 2

    Dr Iain Stewart explores the science behind our planet. This edition looks at the atmosphere, which provides us with life-giving oxygen and protection from cosmic rays.

  • Earth - Power of the Planet, 3

    Iain Stewart looks at the role of ice in changing the course of human evolution and shaping the earth's landscape. He visits a frozen waterfall and a unique lab in Norway.

  • Earth - Power of the Planet, 5

    Iain Stewart tells the story of how our planet works and how it has evolved over billions of years. In this final episode, he looks at the big picture of earth's place in space.