Upcoming episodes, programme details and where to watch over the next seven days. All times are UK time.
On a tropical island in Panama, Max and Bianca deal with an aggressive caiman, as well as boa constrictors and large spiders. How will they get on? S4/Ep12
Stalked by aggressive leopards and unable to get fire for protection, survivalists Angela and Chad fight to survive the unforgiving climate of South Africa. S4/Ep13
A freak injury puts super-fan survivalists Maci and Justin at risk as they attempt to survive the treacherous Nicaraguan jungle for 14 days. S4/Ep14
Redneck Tommy and military survivalist Leah are dropped into the mountain jungles of Colombia. They face with swarming chitras and relentless cold weather. S4/Ep15
Mum-of-four Kelly and Army vet Eric struggle to survive near South Africa's Limpopo River, home of lethal predators including lions, crocodiles and hippos. S4/Ep16
Gwen, an Alaskan survivalist and Jon, an outdoors enthusiast, are in Mexico's southern coast. How will they handle the scorching and dangerous temperatures? S5/Ep1
In central Brazil, Wes and Jesse must choose between flooded valleys and sun-scorched savannahs. They also face lethal wasps, snakes and jaguars. S5/Ep3
In Mexico's unforgiving, cenote-covered landscape, two survivalists face venomous coral snakes, territorial jaguars, blood-sucking sand-flies and a duck named Henry. S5/Ep4
Two survivalists brave the cave system of the Colombian rainforest. They struggle with venomous fer-de-lance snakes, piranhas and biting insects. S5/Ep5