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After a ten day expedition, Vágner is finally face to face with the mega catfish of the Amazon.

Vágner travels by any means necessary in search of the Nile perch in Lake Turkana, Kenya.

Vágner is called in to catch a large specimen of the freshwater beast for scientists to examine.

The sample provides important evidence that the huge Nile perch of Lake Turkana might be free of parasites.

To find one of the Amazon’s most elusive river beasts, Jakub Vágner is treking deeper into the rainforest.

While trying to catch an arapaima, Jakub soon gets fierce competition for the bait.

The legendary fish isn’t done yet and nearly knocks Jakub into the lagoon.

In British Columbia, Vágner goes head-to-head with a fish he has never faced before.

Once the white sturgeons get the bait, they can play with it for 15 minutes to half an hour.

Back at the camp, a new battle is brewing: the big bear is back!

Jakub is running out of steam. His only hope is that the fish is just as tired.

This expedition brings the Czech Republic native to a destination more foreign than any other.

The team makes a disturbing discovery which makes Jakub sad.

Jakub gets back to Houston to get a closer look at his river adversary. A much closer look.

Kirk’s dad joins him and Vágner and the guys have a small fishing competition.