- Original release
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Platforms release
- Previous episode S04E02 - The Mystery of Genius
- Number S04E03
- Country United States
- Original language English
- Genres Documentary, Reality
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External links
TheTVDB page
IMDB page
TheMovieDB page -
Last update
3 juin 2026 - 05:48
on 11 databases
What Lies Below?
More than 80% of the Earth's oceans remain unexplored, and in many ways, the underwater world is the final frontier. As new technology allows us to explore oceans and deep lakes more than ever before, what will we find? Will we discover profound secrets about the oceans? Underwater ruins that were lost for thousands of years? Or perhaps something even more extraordinary?
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S04E04 - Secrets of Abandoned Places
