Nine challengers are abandoned at a remote tropical island, with no maps or tools, miles away from civilization. In teams of three, they must swim to different ecosystems on the same island – sun-scorched beach, twisted mangrove swamp and dense jungle – to begin their distinct survival journeys.

Alex Gibney exposes the haunting details of the USA's torture and interrogation practices during the War in Afghanistan.

Film-maker Werner Herzog travels to the McMurdo Station in Antarctica, looking to capture the continent's beauty and investigate the characters living there.

Proposes a minute-by-minute chronology of the Chicxulub impact and its effect on the dinosaurs and other animals around the world.