Oops! You need to enable JavaScript in your browser to start watching. ITV4 Jeremy Wade's Mighty Rivers Series 1 - Episode 2 Jeremy finds out why the Danube is ranked as one of the world's most endangered rivers as he goes in search of two spectacular but vanishing beasts. Wed Wednesday 8 Jan 1.10am 60 mins 18 days left Share this episode: Copied to clipboard Share on Facebook Share on Twitter Copy link to share