SeriesEnded
Secrets of the Underground (2017–)
2 seasons16 episodes60 min per episode
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.
- First aired
- February 14, 2017
- Last episode
- December 16, 2017
- Network
- Science
- Country of origin
- United States
Seasons
Where to watch
Subscription
Discovery +
Discovery+ Amazon Channel
Philo
Buy
Amazon Video
Apple TV Store
Fandango At Home
Google Play Movies
Trailer
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Cast
- Rob Nelson as Self - Host
- Stefan Burns as Self - Host
- Stefan Burns as Self - Geophysicist
- Tim Bechtel as Self - Geophysicist
- Tim Bechtel as Self
- Adam Cho as Roboticist
- Adam Cho as Self - Roboticist
- Jared Peacock as Self - Geophysicist, USGS
- Jared Peacock as Self - Geophysicit
- Frank Sohl as Self - Geophysicist
- Doug Platt as Self - Capitol Spokesman
- Tracy Beach as Self - Colorado Historian
- Tim Kilgannon as Self - Owner: Blake Street Vault
- Kenneth Bader as Self - Paleontologist