After just three episodes, IT: Welcome to Derry has solidified itself as a major streaming hit with one of the best debut seasons on HBO Max. Serving as a prequel to Andy Muschietti's IT (2017) and IT Chapter Two (2019) movies, Welcome to Derry has remained around the top of HBO Max's streaming charts since its premiere on October 26.
Expanding its success, Deadline has now reported that IT: Welcome to Derry season 1's average domestic and global viewership puts it in the top three best freshman seasons in HBO Max history . Welcome to Derry episode 3 averaged 5 million United States cross-platform viewers in its first three days, while its series premiere had a sizable 5.7 million average. Overall, Welcome to Derry season 1 has averaged 9.2 million U.S. viewers

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