The last episode of "The Summer I Turned Pretty" (TSITP), which is Season 3 Episode 11, is released on September 17, 2025. It will be available on Prime Video at midnight Pacific Time (US) / 3:00 AM Eastern Time (US), with varying times worldwide such as 12:30 PM IST in India and 8:00 AM BST in the UK. This finale episode is approximately 77 minutes long and marks the end of the series with no plans for a season 4 or spinoff.
