Is this article my 1997 Honda Accord? Because it’s got a giant spoiler you might not want to see. That said, Dune: Prophecy the new show from HBO and streaming on Max started off the series with a shocking episode one ending. The sci-fi epic’s showrunner and executive producer, Alison Schapker, spoke with SlashFilm during a recent press event, and shed some light on the breathtaking final moments of the hour-long season kickoff.