Behind Bars: The World's Toughest Prisons

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.

Status: Returning Series

First Air Date: 2016-10-03

Origin Country: DEGB

Total Episodes: 25

Number of Seasons: 4

Original Language: en

Germany

United Kingdom