ITV4 Jeremy Wade's Mighty Rivers Catch up on the ITV Hub Using his trademark rod for a brand new purpose, explorer, scientist and extreme fisherman, Jeremy Wade has a new mission. 3 episodes available to watch Share this programme: Copied to clipboard Share on Facebook Share on Twitter Copy link to share Series 1 Latest 6. Amazon Wed Wednesday 8 Sept 1.35am Amazon is the mightiest of all the rivers. But Jeremy must assess its health. 2. Danube Wed Wednesday 1 Sept 12.20am Jeremy finds out why the Danube is ranked as one of the world’s most endangered rivers. 1. Ganges Thu Thursday 16 Sept 12.25am Ganges, the world’s most revered river, is in trouble.