1. How the Earth Was Made

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. 16 December 2007. 45 min

From a once seething, hellish mass of molten rock to the world that inhabits life today, take a rollercoaster ride through the entire history of Planet Earth. Its 4.5 billion year epic, a story of unimaginable timescales, earth-shattering forces, incredible life forms, radical climates and mass extinctions. Discover how the continents were formed, canyons were carved, and why the world's animals live where they do.

2. Inside the Volcano

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. 15 April 2008. 45 min

Bonus DVD documentary.