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Secrets of the Underground - Season 1
(2017)Streaming, rent, or buy Secrets of the Underground – Season 1:
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8 Episodes
S1 E1 - Capone's Escape Tunnels
S1 E2 - Mystery of the Serpent Mound
S1 E3 - America's Buried Massacre
S1 E4 - Rocky Mountain Monsters
S1 E5 - Great Lakes Bermuda Triangle
S1 E6 - California's Hidden Doomsday
S1 E7 - Secret History of the New World
S1 E8 - American Stonehenge
Rating
6.5 Genres
Reality TV, Documentary
Runtime
42min
