The new episodes of "The Summer I Turned Pretty" Season 3 are released every Wednesday at 3 AM ET / 12 AM PT on Amazon Prime Video. The season premiered with two episodes on Wednesday, July 16, 2025. Following that, a new episode is released weekly. For example, the upcoming episode 8 will be released on Wednesday, August 27, 2025, at 12 AM PT / 3 AM ET. So the next new episode after August 22, 2025, will be available on Wednesday, August 27, 2025, at 3 AM ET / 12 AM PT on Prime Video.