The new HBO series is a prequel to the two movies starring Bill Skarsgard as Pennywise, based on the 1986 Stephen King novel. Here’s a primer.

The killer clown from the Warner Bros. films is popping up in cities worldwide as a marketing stunt for spinoff drama series.

IT: Welcome to Derry, the prequel series set in the same continuity as the two IT movies released in 2017 and 2019, approaches its air date this Sunday.

The creators and stars of IT: Welcome to Derry were shocked that HBO allowed so many "disgusting" scenes to remain in the series. After working on the previous IT movies, Andy Muschietti, Barbara Muschietti, and Jason Fuchs reunited to create a prequel ...

HBO's "It" prequel series "Welcome to Derry" is all the horror and all of the thoughtfulness you expect from a Stephen King adaptation.

Welcome to Derry,” is not for the squeamish. The eight-episode origin story of Pennywise (Bill Skarsgård) takes place in 1962 and serves as a prequel to “It” (2018) and its sequel “It: Chapter Two” (2019).

The It: Welcome to Derry star says he originally auditioned for the role of adult Mike Hanlon in 2019's It Chapter Two before being cast as Hank Grogan on the HBO prequel series. Rider got so far into the process that he tested for the character before director Andy Muschietti eventually cast Isaiah Mustafa.

IT: Welcome to Derry. Brooke Palmer/HBO. Set in 1962, the new HBO series IT: Welcome to Derry functions as a prequel to the two IT feature films from 2017 and 2019. In those films