`` Blackfish '' tells the story of the 2010 death of an experienced SeaWorld trainer . It questions the safety and humaneness of keeping killer whales in captivity . `` I did n't really want to see the wild animals being made to do what people wanted them to do . '' The film is a collaboration between filmmaker Gabriela Cowperthwaite, who has been documenting orcas for more than 20 years as part of her work with PETA ( People For the Ethical Treatment of Animals There are benefits and costs to keeping animals in captivity , parents say .
`` Blackfish '' tells the story of the 2010 death of an experienced SeaWorld trainer . It questions the safety and humaneness of keeping killer whales in captivity . The film is a collaboration between filmmaker Gabriela Cowperthwaite, who has been documenting orcas for more than 20 years as part of her work with PETA ( People For the Ethical Treatment of Animals There are benefits and costs to keeping animals in captivity , parents say .