It Chapter Two is a 2019 American supernatural horror film directed by Andy Muschietti from a screenplay by Gary Dauberman. It is the sequel to It (2017) and the second of a two-part adaptation of the 1986 novel It by Stephen King. The film stars Jessica Chastain, James McAvoy, Bill Hader, Isaiah Mustafa, Jay Ryan, James Ransone, Andy Bean, and Bill Skarsgård as Pennywise. Set 27 years after the events of the previous film, the story centers on the Losers Club and their relationships as they reunite to destroy It once and for all.

Andrés Walter Muschietti is an Argentine film director and screenwriter who achieved wide recognition with the 2013 film Mama. He gained further recognition for directing both films in the It film series, the 2017 film adaptation of the Stephen King novel and its sequel, It Chapter Two. In 2023, he directed the DC Extended Universe film The Flash.