Oops! You need to enable JavaScript in your browser to start watching. ITV 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. Fri Friday 4 Jan 8pm 30 mins 15 days left Share this episode: Share on Facebook Share on Twitter Share on Google+