Ben journeys to the freezing waters of Iceland to live with a former carpenter.
Maverick scientist Nikita was a former maths student living in the city, when his father asked for help with an extraordinary experiment in one of the most remote places on the planet.
Ben joins fellow Brit Lucy, her husband Tim and their two daughters, a family who traded in their comfortable South London home for a yurt on a woodland river on New Zealand's North Island.
Ben meets an ex national athletics coach who now lives a hermit life without basics in a remote forest in Croatia.
Ben Fogle visits an ex-photographer who has turned his back on the rat-race to live an isolated life in the wilds of Oregon.