Season 1 of Inside the World's Toughest Prisons premiered on April 20, 2016.

Paul Connolly journeys inside deplorable prisons in Poland, Mexico, Honduras and the Philippines to experience their barbaric conditions first hand.

Season 2 of Inside the World's Toughest Prisons premiered on July 6, 2018.

Raphael Rowe, who spent 12 years behind bars for a crime he didn't commit, investigates some of the world's toughest prisons from the inside.

Season 3 of Inside the World's Toughest Prisons premiered on December 14, 2018.

Investigative journalist Raphael Rowe, who was once wrongfully convicted of murder, visits prisons in Colombia, Costa Rica, Romania and Norway.

Season 4 of Inside the World's Toughest Prisons premiered on July 29, 2020.

Journalist Raphael Rowe lives like an inmate while investigating dangerous prisons in Paraguay, Germany, Mauritius and Lesotho.

Season 5 of Inside the World's Toughest Prisons premiered on January 8, 2021.

Raphael Rowe, who spent years in prison for a crime he didn't commit, volunteers to go behind bars in the Philippines, Greenland and South Africa.

Season 6 of Inside the World's Toughest Prisons premiered on September 28, 2022.

Wrongfully convicted former inmate Raphael Rowe continues his investigation of formidable prisons in Bosnia and Herzegovina, Cyprus, Greece and Moldova.

Season 7 of Inside the World's Toughest Prisons premiered on September 15, 2023.

Journalist and former inmate Raphael Rowe experiences life inside prisons in Finland, the Czech Republic, Indonesia and the Solomon Islands.