Will intrepid adventurers Donal and Chris keep their nerve in Guyana's rainforests when unprecedented tropical storms strike?

Can Aron, the legendary hiker who cut off his own arm to escape Blue John Canyon, survive Guyana's rainforests with only a camera for company?

Armed with only a camera, will sporting legends Tanya and Amy survive starvation and a cheetah encounter in remote Botswana?

Relentless rain is making foraging impossible for Joe, who is trying to survive in Guyana's rainforest; will maggots be enough to sustain him?

Armed only with a camera, presenter Jason Gardiner battles storms and starvation on a deserted Belize island; but will the isolation break him?

How will this former cricket hero cope when left alone, with his camera, in remote Botswana? And will a close encounter with elephants break him?