Usher in the spooky season with the highly anticipated premiere of the HBO Original series IT: Welcome to Derry, set in the world of Stephen King’s IT universe, and stream the chilling Halloween lineup, including A Nightmare on Elm Street (2010), The Conjuring, Lovecraft Country, Beetlejuice Beetlejuice, The Vampire Diaries, and Max Originals Salem’s Lot and Caddo Lake, all on HBO Max.