IT: Welcome to Derry premiered with its first episode on Oct. 26. New installments will air on Sundays, but in honor of Halloween, the season's second episode will debut on HBO Max a few days early on Oct. 31. The episode will also air on Nov. 2 on HBO.

Welcome to Derry.The Losers Club may have finally figured out how to defeat Pennywise once and for all in 2019's IT Chapter 2, but in Andy Muschietti's new HBO prequel series IT: Welcome to Derry, the director of the two-part IT film adaptation takes us back in time to an era when the dancing clown—along with all of It's other iterations—were alive,