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.

Cha Su-yeol, a police officer who has long despised his mother, the notorious 'Mantis' serial killer...

Hairdresser Suus ends up in jail after attempting to murder her husband.
CNBC original documentary goes behind prison walls to capture the raw experience of crooked CEOs, in...
The story of Amber McCall as she attempts to uncover evidence to exonerate her friend, L.J. Burrows....

Based on real-life experiences, Tenko remains one of the most fondly remembered and acclaimed BBC dr...

Four young people have been arrested for crimes they did not commit. When one of them learns that hi...

Colditz is a British television series co-produced by the BBC and Universal Studios and screened bet...

Two nefarious schemes taking place 10 years apart entangle a dauntless triad member, who must break ...

Jaka, a policeman filled with revenge, teams up with his junior, Sekar, and three inmates to hunt do...

An honest lawyer reaches a moral crossroads after the cops force her to inform on her incarcerated b...

Birds of a Feather is a British sitcom that was broadcast on BBC One from 1989 until 1998 and on ITV...

Explore the transformative power of education through the eyes of a dozen incarcerated men and women...
An innocent father serving life for the murder of his own son receives evidence that his child may s...

Due to a political conspiracy, an innocent man is sent to death row and his only hope is his brother...

"Block B - Under Arrest" is the story of Bea Kroeger, who is charged with attempted murder of her hu...

Set up to take the blame for corporate fraud, young Macarena Ferreiro is locked up in a high-securit...

Filmmaker Zhou Pin-yu interviews a serial killer in prison — an encounter that triggers a string of ...

A crime she committed in her youthful past sends Piper Chapman to a women's prison, where she trades...

Marie Lamontagne, a widowed mother of two in her forties, confesses to a murder she didn't commit to...