In season 4 of River Monsters, Jeremy Wade traveled all the way to Mongolia. The sole purpose of this trip was the catch one of the most amazing fish on the planet, the Siberian Taimen. You can read our write up of this episode here. It was a long journey for Jeremy but he did eventually land his Siberian Taimen, check out the awesome video below.
Jeremy Wade admiring the elusive Siberian Taimen.