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The Summer I Turned Pretty Season 3: The Definitive Guide To The Final Summer (Release Date, Plot, And 11-Episode Schedule)

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The wait is finally over, and the official final summer is on the calendar. As of today, December 23, 2025, Prime Video has confirmed the highly anticipated and supersized third season of The Summer I Turned Pretty is set to premiere on July 16, 2025. This date marks the beginning of the end for the beloved series, which will adapt the final book in Jenny Han’s trilogy, We'll Always Have Summer. Fans of Belly, Conrad, and Jeremiah can now mark their calendars for a summer filled with the final, dramatic resolution of the Cousins Beach love triangle, which promises to be the most intense season yet.

The third and final installment will not only deliver the long-awaited conclusion but will do so with an expanded format. Prime Video has ordered 11 episodes for Season 3, making it the longest season of the show to date, allowing showrunners ample time to explore the complex emotional journey of Isabel 'Belly' Conklin as she navigates college life and a life-altering choice between the Fisher brothers. The production, which included a key filming location in Paris, suggests the series will take the core story of the book and expand it with fresh, new settings and plot developments.

The Summer I Turned Pretty Season 3: Cast, Release Schedule, and Key Production Details

The final season brings back the core ensemble, whose performances have fueled the intense "Team Conrad vs. Team Jeremiah" debate across social media. The central cast is ready to deliver the emotional payoff fans have been waiting for, alongside several new faces who will complicate the lives of the characters.

Main Cast & Character Profiles

  • Lola Tung as Isabel 'Belly' Conklin: The central figure whose journey from awkward teenager to college student will culminate in her final romantic decision.
  • Christopher Briney as Conrad Fisher: The brooding, older Fisher brother whose relationship with Belly is complicated by his emotional walls and his mother’s legacy.
  • Gavin Casalegno as Jeremiah Fisher: The fun-loving, younger Fisher brother who is currently in a relationship with Belly, a dynamic that will be tested severely in the new season.
  • Sean Kaufman as Steven Conklin: Belly's older brother.
  • Rain Spencer as Taylor Jewel: Belly's best friend.
  • Jackie Chung as Laurel Conklin: Belly's mother and Susannah's best friend.
  • David Iacono as Cam Cameron: Belly's former flame.

New Series Regulars and Their Roles

To inject new drama and expand the characters' world outside of Cousins Beach, two new series regulars have been confirmed, with their roles hinting at new storylines for Steven and Taylor:

  • Isabella Briggs as Denise: She is confirmed to be an office co-worker of Steven Conklin, suggesting Steven's storyline will involve his post-high school job or internship.
  • Kristen Connolly as Lucinda Jewel: She is cast as Taylor’s mother, a new character that will undoubtedly shed light on Taylor’s family life and potentially create new dynamics between Taylor and Belly's mother, Laurel.

The Confirmed 11-Episode Release Schedule

Season 3 is not only the longest but also has a definitive release schedule. The final chapter will begin with a two-episode premiere, followed by weekly releases to build anticipation for the finale.

  • Premiere Date: Wednesday, July 16, 2025 (Two Episodes)
  • Weekly Release: Every Wednesday at 12 am PT / 3 am ET
  • Series Finale Date: Wednesday, September 17, 2025 (Episode 11)

The Final Love Triangle: Plot Spoilers from 'We'll Always Have Summer'

The third season is based on the final book, We'll Always Have Summer, and while the show has taken creative liberties before—especially with the introduction of new characters and changes to the timeline—the core plot points are expected to remain. The book's narrative jumps forward in time, which will be a major change from the previous two seasons.

The Two-Year Time Jump and College Life

The final season will likely kick off with a significant time jump of approximately two years. Belly is no longer a high school student but a college freshman. She is firmly in a relationship with Jeremiah, and their romance has evolved past the initial summer fling. This time jump allows the narrative to explore the maturity and deeper commitment between Belly and Jeremiah, setting the stage for the ultimate conflict.

Jeremiah's Proposal and Belly's Dilemma

The biggest, most shocking plot point from the book is Jeremiah's proposal to Belly. While still in college, Jeremiah asks Belly to marry him. Belly, feeling a mix of contentment, uncertainty, and a desire to hold onto the Fisher family connection after Susannah's death, accepts. This engagement forces a confrontation with Conrad, who has been quietly trying to move on but is forced to face his lingering feelings for Belly and the reality of his brother's impending marriage. The engagement becomes the crucible for the entire love triangle.

The Wedding and the Ultimate Choice

The book’s climax revolves around the planned wedding. The pressure of the engagement, the disapproval from Laurel and Conrad, and Belly's undeniable, unresolved feelings for Conrad all come to a head. The series is expected to utilize the expanded episode count to build this tension slowly. The book ends with Belly ultimately choosing Conrad, but only after a dramatic, heartbreaking realization that she cannot marry Jeremiah while still holding feelings for his older brother. The show's decision to film in a key European city like Paris suggests a potential change in the setting of this final confrontation or a romantic escape, adding a fresh twist to the book's ending.

The Topical Authority of Jenny Han and the End of an Era

The conclusion of The Summer I Turned Pretty also marks the end of an era for the on-screen adaptation of Jenny Han's original trilogy. Han, who serves as a writer and executive producer on the series, has ensured the adaptation remains true to the spirit of the books while evolving the story for a modern television audience. The show’s success is a testament to the enduring appeal of her storytelling, which also includes the globally popular To All the Boys I've Loved Before series.

Why 11 Episodes?

The supersized 11-episode count is a clear indicator that the production team wants to give the final season the emotional space it deserves. The third book, We'll Always Have Summer, covers a much longer timeline—two years of college and the lead-up to a wedding—than the first two books, which were confined to a single summer. The additional episodes will allow for deeper exploration of Belly's college life, Steven's career, the introduction of new characters like Denise and Anika, and the necessary emotional beats for the final 'Team Conrad' or 'Team Jeremiah' decision to feel earned and satisfying for the audience.

The Legacy of Cousins Beach

While the series may be ending, the legacy of Cousins Beach and the complex, messy, and deeply relatable relationships between Belly, Conrad, and Jeremiah will live on. The show has successfully captured the feeling of a perfect, nostalgic summer, making it a cultural phenomenon. The final season will be the last chance for fans to experience the magic of the Fisher summer home and watch the central characters finally find their version of a happily ever after. The question remains: Will Belly's final choice be the one fans have been rooting for, or will Jenny Han deliver a final, unexpected twist for the small screen? We will find out starting July 16, 2025.

The Summer I Turned Pretty Season 3: The Definitive Guide to the Final Summer (Release Date, Plot, and 11-Episode Schedule)
the summer i turned pretty season 3 release date
the summer i turned pretty season 3 release date

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