Underground Worlds (2019)
British documentary series exploring incredible feats of human endeavour underground, revealing what people have built, where they have built it, how and why.
Watch Providers
Seasons
Season 1
Season 2
Episodes season 1
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1x1
Gibraltar
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1x2
Sweden
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1x3
Switzerland
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1x4
Kingdom of salt
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1x5
Bouzincourt
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1x6
City of naours
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1x7
Jersey war tunnels
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1x8
The maginot line
-
1x9
Edinburgh vaults
-
1x10
Dover war rooms
Episodes season 2
-
2x1
Murder raid tunnels
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2x2
Grand canyon's lost treasure
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2x3
Cincinnati's secret caverns
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2x4
Hotel bunker of the apocalypse
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2x5
Mystery of the kentucky cave
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2x6
Ireland's underground alcatraz
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2x7
Medieval maze of secrets
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2x8
Buried lab of the black hills
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2x9
Subterranean silo survival
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2x10
Italy's subterranean secret
