Ray dispenses knowledge on building a makeshift rucksack from natural materials such as nettle string, and advises on navigating in woods.

Ray demonstrates his skills as he dispenses knowledge on how to harvest free food from a hedgerow, including fungal 'chickens' and pignuts.

Ray demonstrates essential skills for survival in the wild, including a reliable method of lighting fires safely and efficiently without the aid of matches or lighter fuel.

Ray demonstrates his knowledge of natural first aid treatments, ranging from headache cures to bandages.

Ray makes a sip well, fire-hardens a digging stick, makes a bushman ostrich omelette, and goes coke can fishing. Lindsay Cannon looks at caves in the Peak District.

Ray builds snow holes in the Cairngorms, while Lindsay Cannon goes sand yachting in Kidwelly.

Ray demonstrates his skills as he explains how to use the versatile birch tree to make a refreshing sugary drink called woodman's tea, and Lindsay Cannon enjoys a spot of mud-sliding.

Ray demonstrates how a stick, some moss and a bootlace can be used to light a life-saving fire, while Guy Lindley-Adams revisits his childhood with a walk along south-east England's chalk cliffs.

Ray demonstrates his skills as he builds a woodland shelter complete with natural insulation and a bed made from a pile of twigs, and Lindsay Cannon goes 'island bagging' off the Scottish coast.

Ray demonstrates his skills by cooking fresh rabbit in an earth pit and purifying water with a filter made from charcoal and sphagnum moss.