85
Where to Watch
Region
CuriosityStream Amazon Channel
Stream included
HD
Included
Curiosity Stream
Stream included
HD
Included
CuriosityStream Apple TV channel
Stream included
HD
Included
Prices last updated October 4, 2026. Pricing and availability may vary by region.
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Seasons
All seasonsAbout
The underground world is a largely unexplored universe. Find out what goes on in the subterranean world of our planet Earth.
First Aired
Jan 1, 2015
Last Aired
Jan 1, 2015
Seasons
1
Episodes
2
