A new trailer for IT: Welcome to Derry series has been released. Check out the IT: Welcome to Derry trailer below:You can also check out some new posters for the show here:Photo Credit: HBO MaxPhoto Credit: HBO MaxWhat happens in the IT: Welcome to Derry trailer? Produced by HBO and Warner Bros. Television, IT: Welcome to Derry is developed by Andy Muschietti, Barbara Muschietti, and Jason Fuchs. Andy Muschietti, Barbara Muschietti, Fuchs, and Kane also all serve as executive producers alongside David Coatsworth, Shelley Meals, Roy Lee, and Dan Lin. IT: Welcome to Derry will premiere on HBO Max on Sunday, October 26, at 9 p.m. ET/PT.