Die Flußkönige
The River Kings (original)
Starring Bill Kerr, Tamblyn Lord, Willie Fennell, Edward Hepple, David Bradshaw, Kate Mulcahy, Reg Evans, Jacki Kerin, Cecil Parkee, Hamish Fletcher
It's a drama show, and has a rating of 7.2 out of 10 from Imdb which is usually fine for this kind of show.
Watch it here
Not found streaming from Switzerland.