This paper discusses the documentary "Blackfish" and its impact on raising awareness about the mistreatment of animals in amusement parks and zoos, particularly focusing on the abuse suffered by killer whales in captivity. The author highlights the filmmaker Gabriela Cowperthwaite's objective approach to presenting the issue, emphasizing her credibility and honest journalism record. The paper also examines the significant impact of the "Blackfish effect" on SeaWorld, leading to protests, loss of reputation, and financial consequences for the company. Finally, the paper emphasizes the need to prioritize the well-being of all living beings and reevaluate the treatment of animals in entertainment settings.