Release Date and Streaming Platform
The series Summer I Turned Pretty is confirmed to return for its third and final season on Netflix. The platform has announced the season will premiere in 2025, with production wrapped in 2024. Netflix is the exclusive global streaming home for the show, and all episodes will drop simultaneously as part of the platform's original content slate. The series is based on the bestselling young adult novels by Jenny Han, and the adaptation is produced by Amazon Studios in partnership with Netflix's international content teams. For details on the production timeline, see the official Amazon Studios announcements here.
Netflix has not yet disclosed the exact premiere date for Summer I Turned Pretty season 3, but the streamer has confirmed the season is in active post-production. Industry tracking sources indicate the season will likely arrive in the second half of 2025, aligning with Netflix's traditional summer programming window. The streamer has a history of dropping final seasons of popular YA adaptations in June or July, though no official month has been locked in. The final season will conclude the storyline from the book series, giving the adaptation a definitive endpoint. For more on Netflix's 2025 original programming strategy, see the company's investor relations page here.
Main Cast and Characters
The core cast of Summer I Turned Pretty season 3 includes Isabela Merced as Belly Conklin, Christopher Briney as Conrad Fisher, and Gavin Casalegno as Jeremiah Fisher. The trio anchors the love triangle and family drama that drives the series, and all three actors have signed on for the final season. Supporting roles include Jackie Evancho as Susannah Fisher and Sean Kaufman as Steven Conklin, with several new characters introduced from the later novels. The casting choices reflect the streamer's effort to balance established fan favorites with fresh faces for the concluding arc. For background on the lead actors' prior work, see the IMDb profiles Isabela Merced and Christopher Briney.
The show's ensemble expands in season 3 to include more characters from the source novels, with a focus on the Fisher family and Belly's inner circle. Recurring characters from the first two seasons return, and the final season introduces key figures from the later books, including new love interests and family members. The casting director has emphasized finding actors who can portray the emotional complexity of the teenage-to-adult transition central to the story. The series is filmed primarily in Atlanta, Georgia, which serves as a stand-in for the fictional Cousins Beach setting. For more on the production's location and crew, see the Georgia Film Office page here.
Plot Overview and Source Material
Summer I Turned Pretty season 3 adapts the final book in Jenny Han's trilogy, bringing the coming-of-age romance to a close. The plot follows Belly as she navigates her final summer at Cousins Beach, facing decisions about love, family, and her own identity. The season will resolve the central love triangle between Belly, Conrad, and Jeremiah, while exploring deeper themes of grief, growth, and self-discovery. The adaptation has remained faithful to the emotional core of the novels, with changes made primarily for pacing and visual storytelling. For details on the source material, see the publisher's page for the book series