Ben journeys to the freezing coastal waters of Iceland to live with Hakon, a former carpenter who overcame alcohol and embraced a clean, solo life in the wilderness on a private island.
Maverick scientist Nikita was a former maths student living in the city, when his father asked for his help with an extraordinary experiment in one of the most remote places on the planet.
Ben joins fellow Brit Lucy, husband Tim and their two daughters, a family who swapped their London home for a yurt on a woodland river on New Zealand's North Island.
Ben discovers why one of the world's most in-demand sporting coaches gave up everything to live like a hermit in a wooden cabin without electricity, water or heating in the forests of eastern Croatia.
Ben visits an ex-photographer who lives an isolated life in the wilds of Oregon, harvesting weeds for nutrition. There, Ben experiences a Native American-inspired sweat lodge.