River Monsters

ITV4

Sunday 15 April 2018  20:00 - 21:00 (60 mins)
Invisible Killers: Jeremy Wade has hunted down freshwater killers for 30 years, but only now has he discovered he was sharing those waters with darker, deadlier creatures - parasites. [S]

River Monsters may be available on playback
River Monsters (ITV4) Sunday 15 April 2018 20:00 - 21:00