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Secrets of the Underground

#11,4678,921
Science Reality TV Series
Audience Score
43
Secrets of the UndergroundApple TV logoWatch on Apple TV
TV-PG February 14th, 2017Reality , Documentary2 Seasons, 16 Episodes
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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.

All Seasons

Season 2

Season 2

Oct 28, 2017
Season 1

Season 1

Feb 14, 2017

TV Show Details

Air Date:February 14th, 2017

Last Air Date:December 16th, 2017

Network:Science
Status:Returning Series

Genres: Reality , Documentary

Original Language:English
Production Companies:Science Channel