Home / Series / What on Earth? / Aired Order / Season 6 / Episode 5

The Cave to Hell

When a sinister cave is discovered in a remote corner of Iceland, experts uncover a secret underworld tunneling to unknown depths, and using cutting-edge tech, they investigate if this strange place could hold secrets of alien worlds.

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  • Originally Aired July 11, 2019
  • Runtime 42 minutes
  • Content Rating United States of America TV-PG
  • Network Science Channel
  • On Other Sites Official Website
  • Created August 28, 2020 by
    Administrator admin
  • Modified April 18, 2023 by
    Buguicrack