. >> reporter: at least that's the hope of marine biologist and adventurer andreas hyda and his crewut on a journey to the edge of the map to come face-to-face with orca whales in a way few will ever see them. diving into arctic waters, risking life and limb to swim with the killer whales. >> our motivation for being out there is to show the orcas and whales in their natural elements to us and everyone that sees them. it's very obvious that these animals does not belong in captivity. >> reporter: even though these mighty beasts are the apex predators of the sea, they are the ones at risk. >> firestorm tonight over a proposal to ban a very popular attraction at seaworld. >> the company is launching a big pr blitz, attacking the credibility of a stinging documentary that explores the death of a seaworld trainer -- >> reporter: it was four years ago, "black fish" made waves for aquatic theme parks. highlighting when the filmmaker claims are the cruel realities of killer whale capture. >> the whole hunt was over, there were three dead whales in the net. >> reporter: underscoring the risk

. >> reporter: at least that's the hope of marine biologist and adventurer andreas hyda and his crewelements to us and everyone that sees them. it's very obvious that these animals does not belong in captivity. >> reporter: even though these mighty beasts are the apex predators of the sea, they are the ones at risk. >> firestorm tonight over a proposal to ban a very popular attraction at seaworld. >> the company is launching a big pr blitz, attacking the credibility of a stinging documentary that explores the death of a seaworld trainer -- >> reporter: it was four years ago, "black fish" made waves for aquatic theme parks. highlighting when the filmmaker claims are the cruel realities of killer whale capture. >> the whole hunt was over, there were three dead whales in the net. >> reporter: underscoring the risk the trainers face when they dive into the tanks for performances. >> he said, there's been an accident and a trainer was killed. >> reporter: the backlash against one-time staples like seaworld -- >> boycott seaworld! >> reporter: almost immediately tangible. >> i look at the