Ed Stafford will risk his life in scorching hot north Kenya in the volcanic barrier to compete against Max Djenohan, a young, elite survivalist who's out to prove he has what it takes to match the best.

Ed Stafford challenges ultra-fit ex-Marine and ropes expert Aldo Kane to a race across the tangled wilds of Borneo's crocodile-infested mangrove swamps.

Ed flies to Kazakhstan to take on ex-South Korean special forces soldier KhenRhee, where he encounters life-threatening navigation errors.

For the first time, Ed Stafford will compete against two challengers, Amber and Serena Shine, in Kenya's Rift Valley, where they will encounter lions, African elephants, hippos, crocodiles and bull elephants blocking their paths.

Ed races Royal Air Force survival instructor John Hudson across the top of the monster mountains of the Himalayas. Monsoon rains and lethal bears are among its dangers.

Ed takes on ex-PSYOPS marine and real-life ninja, Hakim Isler, in the Zoige Marshes of Sichuan Province. The unforgiving wetland tests their willpower to the max.

Ed faces former French Foreign Legion desert specialist, Xinlei Wu, in the Aksai Desert of north-west China. They encounter huge sand dunes and rock-valley mazes.

Ed Stafford challenges endurance athlete Matt Graham to a rematch in the cold and brutal highlands of Scotland

Ed races primitive skills expert Cat Bigney across the deadly island paradise of Palau in the South Pacific, home to sharks and salt water crocodile.

Ed takes on the 'Kiwi bushman', Josh James, in the Three Parallel Rivers plateau of Yunnan Province. Josh draws on his Maori-heritage to make fire in the mountains.