Secrets of the Underground poster
Series201760 min / epEndedUS TV-PG

Secrets of the Underground

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.

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Language
EN
Original release language
Production
Science Channel
Lead production company
Scope
2 seasons
16 episodes
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Cast
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Videos
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Videos

Official

Secrets of the Underground | NEW SERIES | Premieres Tue Feb 14

Trailer

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3000 × 1688

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1000 × 1500

Seasons
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Seasons

Season 1

Season 1

8 episodes • 2017

Season 2

Season 2

8 episodes • 2017

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Ratings
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TMDB Score

5.5

from 4 ratings

Certification

US TV-PG

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