Where to Watch
Region
fuboTV
Stream included
HD
Included
Curiosity Stream
Stream included
HD
Included
CuriosityStream Amazon Channel
Stream included
HD
Included
CuriosityStream Apple TV channel
Stream included
HD
Included
Tubi TV
Stream with ads
Included
Prices last updated September 11, 2026. Pricing and availability may vary by region.
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Seasons
All seasons
About
A five-part series that explores the forgotten story of the incredible engineering feats and secret survival techniques of five legendary battles fought underground during World War I.
First Aired
Aug 10, 2014
Last Aired
Aug 10, 2014
Seasons
1
Episodes
5
Studio
Crowned Impala Communications, Millstream Films