What on Earth? Season 6 Episode 5 The Cave to Hell 2019
6.5/10 by 16 users
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.
- Released: 2019-07-11
- Runtime: 44 minutes
- Genre: Documentary
- Stars: Steven Kearney, Andrew Gough
- Director:
- Source: CWR-CRB
