Blackfish is a compelling documentary that exposes the dark side of the captive killer whale industry, focusing on the story of Tilikum, a performing orca involved in the deaths of several trainers. Directed by Gabriela Cowperthwaite, the film raises important questions about the ethics of keeping these highly intelligent and social creatures in captivity for entertainment purposes. Through interviews with former SeaWorld trainers and experts, Blackfish sheds light on the physical and psychological impact of captivity on orcas, sparking a global conversation about animal welfare.