Discover the story of the fighter plane and pilots that helped win the Battle of Britain in World War II. Through people personally connected to the events, the film investigates the story of how the Spitfire, its stable-mate, the Hawker Hurricane and its great adversary, the Messerschmitt 109 came into being during the huge advances in aviation in the interwar period. And then how the pilots fared in combat, three miles up in the skies over Europe, Africa and Asia.

The rainforest is home to more species of plants and animals than any other habitat on the planet. But for humans, life there is not as easy as it looks. Life in the trees requires great skill, ingenuity and sheer bravery. The Matis of Brazil carve 4-metre-long blow-pipes to hunt monkeys - in near total silence. Deep in the Congo forests, Tete defies death by scaling a giant tree using nothing more than a liana vine, and he must then negotiate an angry swarm of bees - all to collect honey for his family. Three children from Venezuela's Piaroa tribe venture deep into the jungle to hunt tarantulas - to toast for lunch! In West Papua the Korowai tribe show-off their engineering skills by building a high-rise home 35 metres up in the tree tops. Most memorable of all, in Brazil we join a unique monitoring flight in search an un-contacted tribe...