An innovative series; the specialist on wild life Stephen Backshall takes the audience to an underwater world of animals we believe we know. One of the most experienced underwater reporters on the world, Stephen will focus on an animal per film on a series of four parts. Along with scientists and divers, he speaks about the behavior of these incredible animals. On this episode he goes to a remote area of Pantanal, known as ‘land of the giants’, in search of Anacondas.