Rivers are the life veins of our planet - offering all those that depend on them respite from both heat and thirst. But, for the life they give, they also take away. These rivers are ruled by fearsome creatures who take no prisoners. Hippos, crocodiles, water monitors and fish eagles are but a few of the heavyweights who patrol these treacherous realms. Join us as we delve into the lives of these extraordinary creatures as they battle it out to establish who the ultimate Lord of the river.