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Secrets of the Underground (2017)
16%
6.4 (191) PG
Age rating
42min
2 Seasons
WATCH NEWEST EPISODES
S2 E8 - Quest for the Gold Rush Fortune
S2 E7 - Lost Pirate City Treasure
S2 E6 - Mystery of the Ice Cave
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Synopsis
A search for an underground escape route said to have been used by Al Capone. Also: who or what built earthen mounds in Washington state.
Videos: Trailers, Teasers, Featurettes
