• 72%
    24 votes
  • Rate this episode
    What did you think?
  • 370
    watchers
  • 494
    plays
  • 630
    collected
  • 1
    list
PosterPoster

What on Earth?: Season 6

6x05 The Cave to Hell
TV-PG

  • 2019-07-12T03:00:00+01:00 on Science Channel
  • 45 mins
  • United States
  • English
  • Documentary

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.

Loading...