In 1995 the most expensive movie ever made was declared a shipwreck before a single ticket was sold. This episode revisits Waterworld, the $175 million sci-fi epic set on a flooded 26th-century Earth, where dirt is currency, survivors cling to floating scrap-metal atolls, and Kevin Costner's gilled, webbed-footed Mariner drinks his own filtered urine in the opening scene. We trace the concept from writer Peter Rader's 1986 pitch, which blended Mad Max-style scavenging with the biblical flood, Helen of Troy, and the underground comic Freak Wave.

We break down why shooting on the open Pacific off Hawaii, against Steven Spielberg's explicit warning, turned the production into a survival expedition: the bouncing horizon line that made shots uneditable, Costner trapped tied to a mast in a squall, a floating set that sank, a shoot stretched from  ...