When did Underground Worlds Season 1 Episode 10 air?
Underground Worlds Season 1 Episode 10 aired on November 27, 2019.


British documentary series exploring incredible feats of human endeavour underground, revealing what people have built, where they have built it, how and why.
This edition explores the military headquarters built beneath Dover Castle during the Second World War, and Odessa's catacombs, possibly the largest tunnel network in the world.
Direct answers for episode-level questions and details.
Underground Worlds Season 1 Episode 10 aired on November 27, 2019.
This episode runs for approximately 45 minutes.
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