Saturday is Halloween, which means some of us out there are gonna be watching something scary. And what could be scarier than a new episode of It: Welcome to Derry ?

Released overnight on HBO Max, the 30-minute episode “A Story of Derry” (directed by Tazbah Chavez and written by Cherie Dimaline and Jasmyne Flournoy) winds back the clock to the pre-Pennywise days. Per the description, it centers on a trio of kids “venturing into the Western Wood…where they encounter a terrifying ancient spirit.”

If you remember the show, you likely remember the fourth episode and It: Chapter 2 both explaining Pennywise’s origin as a transdimensional entity that crashed landed on Earth millions of years ago, feeding on humans’ fear until a tribe of Native Americans made a dagger that kept his spirit locked to the forest.…