River Monsters: Season 3, Episode 5

3 - 5: Electric Executioner

Jeremy Wade heads to a remote river in the Australian Outback in a bid to catch the rare and fearsome freshwater sawfish, which is reputed to reach 18ft long and attack boats. In his quest to discover more about the predator, he roams into an ancient landscape, encountering scientists and a real-life Crocodile Dundee, before finally confronting the disturbing truth.