First Aired: October 17th, 2019
Status: Continuing
Genre: Documentary
Network: Science
Summary: Historians, engineers, and experts take a look at the underground structures, systems, and phenomena that exist beneath our feet.
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Episode Statistics:
# of Episodes: 20
# of Episodes I watched: 0
# of Episodes I haven't watched: 20
Last Episode I watched: -
Last Aired Episode
Season 2 - Episode 10: Medieval Maze of Secrets
Air Date: October 7th, 2021
Summary: A forgotten world of ancient underground passages and medieval engineering lies hidden beneath the town of Exeter, England; experts investigate and reveal how this ambitious tunnel system was the result of one of the deadliest epidemics in history.
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