These are some of the toughest prisons in the world. Prisons so tough, even gang bosses and killers learn the meaning of fear. Across four continents, six different prisons, the series takes us beyond the gates, walls, barred windows and cells into an unknown world, a world we know exists, but a world nobody wants to think about.
Runtime: 60:14 minutes
Quality: HD
First air date: Oct 03, 2016
Last air date: Mar 10, 2024
Episode: 22 Episode
Season: 4 Season
IMDb: 4
Keywords:prison
