It: Welcome to Derry is an upcoming American supernatural horror television series based on Stephen King's 1986 novel It and serving as a prequel to the films It (2017) and It Chapter Two (2019). The series was developed by Andy Muschietti, Barbara Muschietti and Jason Fuchs, all of whom were involved in the It films. It stars Jovan Adepo, Chris Chalk, Taylour Paige, James Remar, and Stephen Rider, with Bill Skarsgård reprising his role as Pennywise the Clown from the films.

The series is scheduled to be released in 2026 on HBO with nine episodes.