Season 1
7.6
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Secrets of the Underground 123movies
Views: 453
Genre: Documentary, Reality
Studio: Science Channel
Creators: Christopher Cassel, Sarah Dalsimer
TV Status: Returning Series
Duration: 1h
Release: 2017
IMDb: 6.5
TMDb: 4.3
FilmAffinity: 6.0
Country: United States of America
Networks: Science
