The Earth Unlocked

Season 1, Episode 2: What Lies Beneath

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Molten metal, gigantic impacts, and volcanic eruptions; secrets unlocked from deep within the Earth reveal how life is able to exist on its surface.

All Episodes - Season 1

Forests
Episode 1
Forests
 What Lies Beneath
Episode 2
What Lies Beneath
 Lakes
Episode 3
Lakes
 Deserts
Episode 4
Deserts
 Oceans
Episode 5
Oceans
 Dying Places
Episode 6
Dying Places
 Deep Freeze
Episode 7
Deep Freeze
 Wind
Episode 8
Wind
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