The Legend of the Underground Genre Documentaries Rating TV-MA Release Year 2021 Studio HBO Canonical Movie The Legend of the Underground Link https://play.max.com/movie/026feeb7-9fc1-4622-9fef-e320bf5a7e11 Unique ID https://play.max.com/movie/026feeb7-9fc1-4622-9fef-e320bf5a7e11 Languages en-US