Secrets of the Underground (2017)
Secrets of the Underground (2017)
Network & Production Companies



Plot.
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.
Where to Watch.










Currently Secrets of the Underground is available for streaming online, rent, buy or watch for free on: Apple TV, Google Play Movies, Fandango At Home, Amazon Video, The Roku Channel, Spectrum On Demand, Discovery +, Discovery+ Amazon Channel, Philo, Science Amazon Channel
Streaming in:🇺🇸 United States
Cast & Crew.

Rob Nelson
Self - Host

Brent Breithaupt
Self - Paleontologist
Media.

Details.
Release DateFebruary 14, 2017
StatusEnded
Seasons2
Episodes16
Running Time1h
Content RatingTV-PG
Genres
Last updated:
You May Also Like.
Look at the other titles that might be interesting for you

How Not to Summon a Demon Lord (2018)
TV

The Lincoln Lawyer (2022)
TV
10

Zero Day (2025)
TV

Total Drama World Tour (2010)
TV
7.25

Dear White People (2017)
TV
6

Shaggy & Scooby-Doo Get a Clue! (2006)
TV

Your Friendly Neighborhood Spider-Man (2025)
TV

When the Phone Rings (2024)
TV
6

One Hundred Years of Solitude (2024)
TV
10

Augie Doggie and Doggie Daddy (1959)
TV

High School of the Dead (2010)
TV
9

The Innocent (2021)
TV
2

ReLIFE (2016)
TV
6

Record of Grancrest War (2018)
TV
6.75

Red Band Society (2014)
TV
3.67

Penguindrum (2011)
TV

Tiger King (2020)
TV
5.13

Elite Short Stories: Patrick (2021)
TV
8.33

On Air with Ryan Seacrest (2004)
TV