Underground Marvels
6.5
2 seasons
20 episodes
Returning Series
Documentary
Plot Summary
Historians, engineers, and experts take a look at the underground structures, systems, and phenomena that exist beneath our feet.
First Aired:October 17, 2019
Last Aired:October 7, 2021
Episode Runtime:45m
Networks:
Science, U&Yesterday
Cast & Characters
Where to watch free (US)
Spectrum On Demand
Amazon Prime Video Free with Ads
Seasons (2)
Season 1
10 episodes
Aired: 2019
Season 2
10 episodes
Aired: 2021
Production
Phoenix Television
TCB Media Rights