Blackfish is a gripping documentary that exposes the dark side of the captive killer whale industry. The film tells the story of Tilikum, a captive orca responsible for the deaths of several trainers, and raises important questions about the ethics of keeping these highly intelligent creatures in captivity. Through interviews with former SeaWorld trainers and experts in the field, Blackfish reveals the physical and psychological toll that captivity takes on orcas, highlighting the need for greater awareness and conservation efforts. This eye-opening documentary challenges the traditional narrative surrounding marine parks and prompts viewers to reconsider their support for such establishments.