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Searching for the hidden entrance to the cave system, the team uncovers an ancient vent shaft above the Energy Zone. But an explosion triggers an underground tsunami that threatens the cave system.
First Air Date : Jan 01, 2021
Siste Air-dato : Jan 03, 2024
Episode : 22 Episode
Årstid : 3 Årstid
Kjøretid: 41:14 minutter
Ettromsleilighet: Discovery
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