HBO Max is floating its first official teaser trailer for Welcome to Derry. The upcoming series is a prequel to the hit IT films which adapted Stephen King ‘s horror masterpiece about a small town in Maine that’s cursed by the presence of a shapeshifting killer clown which returns to murder a slew of children every 27 years.

The Home Box Office is about to get a lot creepier this fall. HBO has dropped the first teaser trailer for “It: Welcome to Derry,” the network’s highly-anticipated “It” prequel series. And it’s just as unsettling as everything else connected to this clown.

The highly anticipated Stephen King prequel has been teased for a while, but we’d only had casting announcements and some teaser images. Now, though, we know a lot more about the series, which is set to premier later this year – HBO says it’s coming “this fall”,

HBO Max has dropped a trailer for their prequel horror series 'IT: Welcome To Derry' focusing on a new group of characters in the 1960s.