John Craven and Ellie Harrison are in the Peak District. John meets Roy Taylor, a wheelchair user who aims to make the countryside more accessible to all. John also finds out about a new piece of kit called the mountain trike, which allows wheelchair users to get over much rougher terrain and therefore enables them to explore places that were once unreachable. As the National Search and Rescue Dog Association turns 50, Ellie discovers what it takes for trainers and search dogs to become fully fledged life savers. She also visits Lane Farm End Trust, a working hill farm where disabled and disadvantaged young people get to connect with nature. Anita Rani puts on her walking boots to explore the Pennine Way, discovering how it has changed in the 50 years since its creation. Adam Henson learns about the norfolk horn, a breed of sheep which helped make East Anglia of the Middle Ages rich. Tom Heap asks what's causing the increase in hayfever in the UK
