ITV4 River Monsters Catch up on the ITV Hub Extreme angler, Jeremy Wade, is on the hunt for freshwater fish with a taste for human flesh. 2 episodes available to watch Share this programme: Share on Facebook Share on Twitter Share on Google+ Series 6 Latest 3. Man-Eating Monster Sun Sunday 25 Jun 8pm Extreme angler Jeremy Wade embarks on a mission in Guyana in South America. Series 4 6. Russian Killer Wed Wednesday 19 Jul 11.40pm The disappearance of three men in Russia proves to be a baffling case for Jeremy Wade.