The finale of "The Summer I Turned Pretty" (TSITP) Season 3, Episode 11, is scheduled to be released on Prime Video on Wednesday, September 17, 2025. It will be available to stream starting at 12:00 a.m. PT / 3:00 a.m. ET. This episode marks the conclusion of the series, based on Jenny Han's trilogy, so there will be no Season 4. The final season has 11 episodes in total, and this last one will bring closure to the storylines including the fate of Belly's relationships.