As Stephen King fans eagerly anticipate the arrival of It: Welcome to Derry, a new HBO series developed by the creators of the recent It movies, including director Andy Muschietti, here’s a reminder that it’s not the first series to expand King’s horror world with original stories.
While Derry riffs on flashbacks from the 1986 book to build a history for Pennywise’s reign of terror, the Hulu series Castle Rock also zeroed in on a picturesque yet cursed part of Maine explored in King’s…








