The Ultimate Guide To The Summer I Turned Pretty Season 3: Release Date, Cast, And The Final Love Triangle Verdict
The ultimate summer romance has reached its bittersweet conclusion, and fans have finally received the definitive answers they've been waiting for. As of today, December 18, 2025, the highly anticipated third and final season of *The Summer I Turned Pretty* has officially premiered, resolving the years-long debate over Belly Conklin’s heart. The final 11-episode journey delivered a dramatic, emotional, and satisfying farewell to Cousins Beach, based on Jenny Han’s third novel, *We’ll Always Have Summer*.
The final season’s release schedule was a major topic of discussion, with Prime Video opting for a strategic weekly rollout after a two-episode premiere. This change from the previous season’s binge model kept the Bonrad vs. Jelly drama alive on social media for weeks. If you’re just catching up or need a full breakdown of the final chapter, here is everything you need to know about the release, the cast, and the definitive plot details that brought the beloved series to a close.
The Confirmed Release Date and Full Episode Schedule
After months of speculation following the successful conclusion of filming in late 2024 and post-production wrapping in June 2025, Prime Video made the official announcement. The third and final season was confirmed to contain 11 episodes, an increase from the seven and eight episodes of the first two seasons, giving the story more time to adapt the final book’s complex narrative.
The official premiere date for The Summer I Turned Pretty Season 3 was Wednesday, July 16, 2025.
In a shift from the previous season’s full-season drop, Season 3 adopted a hybrid release model. The first two episodes dropped on the premiere date, followed by a weekly release schedule for the remaining nine episodes.
The full TSITP Season 3 release schedule was as follows:
- Episode 1: Wednesday, July 16, 2025 (Premiere)
- Episode 2: Wednesday, July 16, 2025
- Episode 3: Wednesday, July 23, 2025
- Episode 4: Wednesday, July 30, 2025
- Episode 5: Wednesday, August 6, 2025
- Episode 6: Wednesday, August 13, 2025
- Episode 7: Wednesday, August 20, 2025
- Episode 8: Wednesday, August 27, 2025
- Episode 9: Wednesday, September 3, 2025
- Episode 10: Wednesday, September 10, 2025
- Episode 11: Wednesday, September 17, 2025 (Season and Series Finale)
The Returning Cast and Key Characters
The emotional core of the series has always been the love triangle and the bond between the two families. Fans were relieved to see all the main players return for the final chapter, which was greenlit back in August 2023, before the resolution of the major Hollywood labor strikes.
The primary cast members who returned for Season 3 include:
- Lola Tung as Isabel “Belly” Conklin
- Christopher Briney as Conrad Fisher
- Gavin Casalegno as Jeremiah Fisher
- Jackie Chung as Laurel Park (Belly's Mother)
- Sean Kaufman as Steven Conklin (Belly's Brother)
- Rain Spencer as Taylor Jewel (Belly's Best Friend)
- David Iacono as Cam Cameron
- Elsie Fisher as Skye (Returning from Season 2)
The final season required the full emotional commitment of the cast to bring the high-stakes drama from the third novel to life. The dynamic between the Fisher brothers—Conrad and Jeremiah—and Belly reached its peak, forcing a final, undeniable choice that would define the rest of their lives.
Topical Entities and LSI Keywords for Season 3
The anticipation for Season 3 was driven by several key topical entities and recurring themes that formed the backbone of the show’s popularity and the online fan debate:
- Cousins Beach: The iconic, idyllic setting that serves as the backdrop for all the major life events, heartbreaks, and reunions. The beach house itself is a character in the final season.
- The Love Triangle: The central conflict, often simplified to "Bonrad" (Belly and Conrad) versus "Jelly" (Belly and Jeremiah). The final season was tasked with giving a definitive, satisfying conclusion to this rivalry.
- Jenny Han: The author of the original book series and co-creator of the television adaptation. Her vision for the ending was closely followed, though the series took some creative liberties.
- We'll Always Have Summer: The title of the third and final novel in the book trilogy, which serves as the source material for Season 3's plot.
- Final Season: The confirmation that Season 3 would be the last, making every moment and decision carry more weight for the characters and the audience.
- Prime Video: The exclusive streaming platform for the series, responsible for the release schedule and marketing campaign.
The Plot of the Final Season: What Happens to Belly and the Fisher Brothers? (Spoilers)
Season 3 is based on the third book, *We’ll Always Have Summer*, and picks up after the dramatic events of the Season 2 finale, where Belly chooses Jeremiah. The final season explores the consequences of that choice and the inevitable pull of Conrad.
The core of the plot revolves around Belly’s relationship with Jeremiah and the shocking decision they make. In the book, Belly and Jeremiah are still together, attending college, but their relationship is strained. A pivotal moment occurs when Jeremiah makes a mistake, leading to a rash decision: he proposes marriage to Belly.
The Engagement and the Wedding Planning
The season dives deep into the fallout of this sudden engagement. Belly, still reeling from the loss of Susannah and the emotional turmoil of the previous summer, agrees to the proposal. The drama intensifies as they plan a wedding, much to the dismay of their family and friends, particularly Laurel and Steven, who believe they are too young. Conrad, meanwhile, is forced to watch the woman he loves plan a future with his brother.
The tension between the brothers reaches a fever pitch, with the impending wedding serving as a ticking clock. The series beautifully captures the emotional complexity of this situation, highlighting the genuine love between Belly and Jeremiah, while also showing the undeniable, deep-seated connection she shares with Conrad.
The Return to Cousins Beach
The season brings the characters back to Cousins Beach, the place where all their memories—both joyful and painful—reside. This return is crucial, as the setting forces Belly to confront her true feelings and the history she shares with Conrad. The final episodes focus on Belly’s realization that she cannot marry Jeremiah because she is still in love with Conrad.
The series handles the breakup with Jeremiah with sensitivity, showing the pain and maturity required to end a relationship that was built on a deep friendship. Jeremiah’s storyline also explores his own growth and acceptance of the situation. The show acknowledges that while ‘Jelly’ was a beautiful, fun, and supportive relationship, ‘Bonrad’ was the epic, soulmate connection that was always meant to be.
The Final Verdict and Epilogue
The final episodes see Belly and Conrad finally find their way back to each other. The series culminates with a flash-forward, showing Belly and Conrad getting married years later. This is the definitive, conclusive ending that Jenny Han wrote for her book trilogy, and the show faithfully delivered it. The final season is a celebration of first love, family, and the enduring magic of Cousins Beach, ensuring that fans of the original books and the series alike received the closure they craved.
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