Ed is dropped in the vast, remote Altai Mountains. He faces ferocious winds and freezing temperatures to reach a nomadic settlement on the Russian frontier.
Ed faces one of his most difficult terrains yet in Laos. The stunning environment is also littered with thousands of landmines from the Indo-China war.
Ed Stafford is dropped into Bolivia's Atacama plains - the world's highest, driest desert - where he must navigate his way to safety through perilous canyons in the blazing heat.
Dropped on Panama's Pacific Coast, Ed faces a gruelling 10-day hike through the Darien Gap. Can he tackle one of the world's most perilous expanses of jungle?