The premiere episode garnered 5.7 million viewers within three days of viewing the U.S., according to multiplatform viewing data across HBO and HBO Max. This gave “It: Welcome to Derry” the third most-watched series debut on HBO Max, behind only “Game of Thrones” spinoff “House of the Dragon” and “The Last of Us.”
Episode 1 of “It: Welcome to Derry” drummed up a bigger audience than its HBO Sunday night predecessor “Task,” which
debuted to 3.1 million viewers and closed out its seven-episode run with 4 million viewers tuning in for its
finale, both within three days of viewing.