Looking to watch Secrets of the Underground on your TV, phone, or tablet? Secrets of the Underground is currently available to stream via subscription, rental, or purchase on Discovery +, Discovery+ Amazon Channel, Apple TV Store, Google Play Movies, Prime Video, Spectrum On Demand, The Roku Channel in the US.
Here are a few key details about the Science series. Originally premiering February 14th, 2017, "Secrets of the Underground" stars . The show spans 2 season(s) and currently holds a 43/100 rating on TMDb, which was calculated from reviews from 3 active users.
Want to know what the series covers? Here’s the 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."
