Underworld Episode Rating Graph

Dec 2021 - Dec 2021

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Browse episode ratings trends for Underworld. Simply click on the interactive rating graph to explore the best and worst of Underworld's 5 episodes.

Best Episodes of Underworld

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Worst Episodes of Underworld

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Underworld Episode Guide

Great Britain
S1 Ep1
29th Dec 2021
In Underworld: 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.
Gibraltar
S1 Ep2
29th Dec 2021
In Underworld: Gibraltar the team learns more about the Rock’s caves and tunnels. At Gorham’s Cave secrets are revealed about our Neanderthal cousins and their importance to the Ancient Greeks.
Slovenia
S1 Ep3
29th Dec 2021
Underworld: Slovenia is an adventure into Slovenia’s largest ice cave. The team scans the volume of ice providing data for scientists to assess climate change.
Belize
S1 Ep4
29th Dec 2021
In Underworld: Belize the team discovers why the Maya Civilization vanished. In the cave of Actun Tunichil Muknal they uncover the remains of human sacrifices. Professor Holley Moyes reveals how a drought caused the Maya to venture underground to make human sacrifices as they prayed for rains.
China
S1 Ep5
29th Dec 2021
Underworld: China uncovers the secrets of China’s giant caves. A team maps Cloud Ladder Hall showing how its size creates an underground weather system.