Behind Bars The World's Toughest Prisons is a German-made American documentary series about life and the day-to-day operations of supermax prisons. Each episode features a different prison in a different part of the world.
Initially released on Amazon Prime Video, it was sold to Viasat World for season 2.
References
External links Behind Bars The Worlds Toughest Prisons at IMDB Behind Bars The Worlds Toughest Prisons at Amazon Prime Behind Bars The Worlds Toughest Prisons at TV Maze