The Ultimate Guide To The Summer I Turned Pretty Season 3: Release Date, Final Plot, And What Happens To Belly's Love Triangle
The wait is finally over for fans of the iconic Prime Video series, The Summer I Turned Pretty (TSITP). The definitive, official release date for the highly anticipated third and final season has been confirmed, bringing the beloved love triangle to its emotional conclusion. As of today, December 21, 2025, we have all the details on when Belly, Conrad, and Jeremiah will return to Cousins Beach for one last, unforgettable summer. The new season promises to be the most dramatic yet, directly adapting the final book in Jenny Han’s trilogy, and its premiere is closer than you think.
Get ready to mark your calendars: the third season of The Summer I Turned Pretty is officially scheduled to premiere on Prime Video on Wednesday, July 16, 2025. This final installment will be bigger than previous seasons, consisting of 11 episodes to wrap up the story of Isabel "Belly" Conklin and the Fisher brothers. This is the last chance for fans to experience the magic of Cousins Beach, as the series will conclude with this season.
The Summer I Turned Pretty Season 3: Official Release Date and Episode Schedule
The question on every fan’s mind—"When does The Summer I Turned Pretty come out?"—now has a concrete answer. The final chapter of Belly's story begins in mid-July 2025, perfectly timed for a summer binge. Unlike previous seasons, which had fewer episodes, Season 3 has been extended to 11 episodes, reflecting the complexity and finality of the source material.
The release strategy for the 11-episode run will follow a weekly format after a multi-episode premiere, allowing fans to savor the final journey and debate the inevitable twists and turns. Here is the confirmed episode release schedule for The Summer I Turned Pretty Season 3:
- 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 (Series Finale): Wednesday, September 17, 2025
The finale, set for September 17, 2025, is poised to be one of the biggest television events of the year, finally delivering the definitive answer to the Belly-Conrad-Jeremiah love triangle that has divided the fandom for years.
The Cast and Characters Returning to Cousins Beach
The heart of The Summer I Turned Pretty lies in its ensemble cast, and all the fan favorites are confirmed to return for the dramatic conclusion. Their performances as the central figures in this coming-of-age story have been widely praised, and their return ensures the final season maintains its emotional core.
Key Returning Cast Members:
- Lola Tung as Isabel “Belly” Conklin: The protagonist whose journey of self-discovery and first love is the center of the series.
- Christopher Briney as Conrad Fisher: The elder, brooding Fisher brother, Belly’s first love interest.
- Gavin Casalegno as Jeremiah Fisher: The younger, sunnier Fisher brother, and Belly’s current boyfriend at the end of Season 2.
- Jackie Chung as Laurel Park: Belly’s mother and Susannah’s best friend.
- Sean Kaufman as Steven Conklin: Belly’s older brother.
- Rain Spencer as Taylor Jewel: Belly’s best friend.
- Elsie Fisher as Skye: A new character introduced in Season 2, returning for the final season.
- Kyra Sedgwick as Julia: Skye's mother.
- David Iacono as Cam Cameron: Belly's sweet ex-boyfriend.
In addition to the core group, the third season will introduce at least one new significant character, Denise, played by Isabella Briggs, who is expected to shake things up, likely in the college setting that the characters will navigate.
The Final Chapter: Plot Details and The Love Triangle Resolution
Season 3 is based on the third and final novel in Jenny Han’s trilogy, titled We'll Always Have Summer. This book is where the infamous love triangle between Belly, Conrad, and Jeremiah finally gets its resolution. The final season will pick up after the events of Season 2, where Belly chose to be with Jeremiah, leaving Conrad heartbroken.
The core conflict of the season will center on Belly's relationship with Jeremiah and the lingering, undeniable connection she shares with Conrad. As the characters navigate college, the distance, and the ghosts of past summers at Cousins Beach, Belly will be forced to confront who she truly belongs with. The show's creator, Jenny Han, has confirmed that the ending will be "hopeful" and focus on Belly "honoring herself," suggesting a deeply personal conclusion to her romantic journey.
Key Plot Points and Fan Speculation:
- The Engagement: The third book features a controversial engagement between Belly and one of the Fisher brothers. The show is expected to adapt this major turning point, leading to high drama and emotional fallout.
- The College Years: The characters will transition from high school to college life, bringing in new settings, new challenges, and potentially new romantic interests like Denise.
- The Fisher Family Legacy: With Susannah Fisher's passing, the fate of the Cousins Beach house and the emotional bond between the two families will be a major theme, focusing on how they honor her memory.
- The Final Choice: The 11-episode format is designed to give the definitive conclusion to the "Team Conrad" vs. "Team Jeremiah" debate, a resolution that will be faithful to the spirit of the final book.
The stakes are higher than ever for Belly, who must decide not just who she loves, but who she is meant to be with for the rest of her life. This final summer will be a period of intense growth, heartbreak, and ultimately, a permanent choice. The show's commitment to adapting the source material faithfully means fans of the books already know the likely outcome, but the show's unique storytelling always adds fresh, unexpected layers to the story. The extended episode count suggests a deep dive into the emotional turmoil and growth required for Belly to make her final, life-altering decision.
The excitement surrounding the final season is palpable. With the official release date of July 16, 2025, set, fans can now officially start the countdown to the last summer in Cousins Beach, a summer that promises to be the most beautiful, and most heartbreaking, one yet.
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