Secret Life Underground

Secret Life Underground

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The underground world is a largely unexplored universe. Find out what goes on in the subterranean world of our planet Earth.

Episodes

The underground world is a largely unexplored universe. Find out what goes on in the subterranean world of our planet Earth.

Part 1: The Skin of the Earth
1. Part 1: The Skin of the Earth

We know less than 10% of the organisms that populate the underground world and t...

Part 2: Hidden in the Depths
2. Part 2: Hidden in the Depths

Take a journey alongside scientists into an underground maze with huge surprises...

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