Underworld

Underworld

Underworld

EarthXtra

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LATEST EPISODE

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S1 E5: China

Uncovering the secrets of China's giant caves; a team maps Cloud Ladder Hall, showing how its size creates an underground weather system.

Sep 11

•

9:36PM

•

54 Min

•

2022

•

Documentary

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Season 1

  • Season 1
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S1 E5: China

Uncovering the secrets of China's giant caves; a team maps Cloud Ladder Hall, showing how its size creates an underground weather system.

Sep 11

•

9:36PM

•

54 Min

•

Available with Freestream

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S1 E4: Belize

The team discovers why the Maya Civilization vanished; Professor Holley Moyes reveals how a drought caused the Maya to venture underground to make human sacrifices as they prayed for rains.

Sep 11

•

8:42PM

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54 Min

•

Available with Freestream

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S1 E3: Slovenia

An adventure into Slovenia's largest ice cave; the team scans the volume of ice, providing data for scientists to assess climate change.

Sep 11

•

7:48PM

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54 Min

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Available with Freestream

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S1 E2: Gibraltar

The team learns more about the Rock's caves and tunnels; at Gorham's Cave, secrets are revealed about Neanderthal cousins and their importance to the Ancient Greeks.

Sep 11

•

6:54PM

•

54 Min

•

Available with Freestream

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S1 E1: Great Britain

The team examines the deepest shaft discovered in the UK: Titan; they hope a 3D scan can reveal its true size and secrets about its formation.

Sep 11

•

6PM

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54 Min

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Available with Freestream