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Secrets of the Underground

TV-PG20172 seasons
IMDb 6.2

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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.

RealityDocumentary

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Frequently asked questions

What is Secrets of the Underground (2017) about?

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.

How many seasons does Secrets of the Underground have?

Secrets of the Underground has 2 seasons. There are 16 episodes in total.

Is Secrets of the Underground worth watching?

Secrets of the Underground holds an IMDb rating of 6.2/10. Fans of Reality, Documentary are most likely to enjoy it — TasteRay can tell you how well it matches your personal taste.

Where can I watch Secrets of the Underground?

Streaming availability for Secrets of the Underground changes by country and service. TasteRay tracks where it is available across Netflix, Prime Video, Disney+, Max, Apple TV+ and 50+ other platforms — the current options for your country are shown on this page.