Secrets of the Underground (2017)
TV show 2 seasons ★ 5.5/10
Good for tonight if you want to: teach me something
Released in 2017, Secrets of the Underground is a documentary TV show. Audiences give it a mixed score of 5.5 out of 10.
59Tonight Score A balanced pick.
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.
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Seasons
- Season 1 · 8 episodes
- Season 2 · 8 episodes
Data from TMDB. Page last updated 3 Oct 2026. Download share image
Questions about Secrets of the Underground
- What genre is Secrets of the Underground?
- Secrets of the Underground is categorised as Documentary.
- Is Secrets of the Underground worth watching?
- It holds an audience score of 5.5/10. Check the similar titles below if you want alternatives in the same style.
- Where can I watch Secrets of the Underground?
- Availability changes by country and over time. Use the "Where to watch" links on this page to see which legal streaming, rental or purchase services currently offer it.
