Nile: Earth's Great Rivers: Amazon

Documentary following three of the world's largest rivers, beginning with the Amazon, uncovering some of the latest discoveries, including the 'Blue Lagoon" which is home to a newly discovered species of cichlid. The programme also explores some of the Amazon's flooded forests, home to an array of unusual animals, and cameras follow giant river otters on a fishing foray on the rocky terraces of the Cristalino river