when does it welcome to derry air

It looks like you’re asking about when “Welcome to Derry” (It: Welcome to Derry) is releasing. Based on the latest available schedules, the series premiered on Sunday, October 26, 2025, with new episodes released weekly on Sundays. The premiere was available on HBO and HBO Max, with subsequent episodes following the weekly Sunday release pattern. International release times vary by region and platform, but US viewers could expect new episodes on Sundays at the standard HBO/HBO Max window. If you’d like, I can pull the most up-to-date local release times for your country or streaming platform and summarize the full episode-by-episode schedule.