When did Underworld Season 1 Episode 4 air?
Underworld Season 1 Episode 4 aired on December 29, 2021.
Underworld
Embark on a journey deep into the unknown 95% of our planet revealing extraordinary caves with 3D laser-scanning technology.
Season 1 · Episode 4
Belize
Dec 29, 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.
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How long is Underworld Season 1 Episode 4?
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