‘It: Welcome to Derry’ Season 1, Episode 4 Recap: Origin of the Species By Marketers TalksNovember 17, 2025Art Leroy gets a glimpse of the thing that terrorized his son. Viewers get a glimpse of the monster’s origins in Derry. Leroy gets a glimpse of the thing that terrorized his son. Viewers get a glimpse of the monster’s origins in Derry.