“Waterworld” is indeed a post-apocalyptic science fiction film released in 1995. Kevin Costner stars as a mysterious drifter known as “The Mariner” who navigates a world covered almost entirely by water due to the melting of the polar ice caps. The film explores themes of survival, environmental destruction, and the resilience of the human spirit in the face of adversity. Despite facing mixed reviews upon its release, “Waterworld” has gained a cult following over the years and is remembered for its unique setting and impressive production design.