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: Copied to clipboard Share on Facebook Share on Twitter Copy link to share Series 8 Latest 4. Terror in Paradise Wed Wednesday 20 Oct 8pm Jeremy investigates tales of a mysterious shark-octopus hybrid called the Lusca. 3. Razorhead Wed Wednesday 13 Oct 9pm Jeremy Wade investigates reports of a creature terrorizing the Florida Keys.