The Summer I Turned Pretty Season 3: Official Release Date, 11 Episodes, And The Final Love Triangle Revealed

The wait is finally over: The highly anticipated third and final season of the beloved Prime Video series, The Summer I Turned Pretty, has an official, confirmed premiere date. As of today, December 18, 2025, fans can mark their calendars for the return to Cousins Beach, which promises to resolve the intense love triangle between Belly and the Fisher brothers.

This final installment, based on Jenny Han’s third novel, We’ll Always Have Summer, is set to be the biggest season yet, with an expanded episode count and a definitive ending to Belly Conklin’s coming-of-age story. Get ready for the last, most dramatic summer of romance, heartbreak, and difficult choices.

The Official Countdown: When Does TSITP Season 3 Premiere?

The Summer I Turned Pretty Season 3 will officially premiere on Wednesday, July 16, 2025, exclusively on Prime Video.

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The announcement confirms the show's tradition of a mid-summer release, perfectly aligning with the series' sun-drenched, beach-centric setting. This date is one of the most significant pieces of information for the fandom, who have been speculating about the final season's timeline since the dramatic conclusion of Season 2. The series is an Amazon Original and will follow a weekly release schedule after a two-episode premiere.

Key Release Schedule Details

Unlike the previous two seasons, which had eight episodes each, Season 3 has been expanded to a total of 11 episodes. This longer run will give the writers more time to adapt the final book’s significant plot points and provide a satisfying conclusion to the central relationships. The schedule will begin with a multi-episode drop and then transition to a weekly release format:

• Premiere Date: Wednesday, July 16, 2025 (Episodes 1 & 2)
• New Episodes: Weekly every Wednesday thereafter
• Platform: Prime Video (Worldwide)

The production phase for the final season wrapped in 2024, with post-production continuing until June 2025 to ensure the highest quality for the highly anticipated finale. Filming took place in North Carolina, bringing the familiar coastal charm of Cousins Beach back to life.

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Cast and Character Biographies: The Core Trio Returns

The final season will see the return of all the main cast members, ready to face the consequences of their emotional decisions. The central love triangle remains the focus, with Belly Conklin finally having to choose between the Fisher brothers.

Isabel “Belly” Conklin (Lola Tung)

• Role: Protagonist, the girl caught between two brothers.
• Actress: Lola Tung
• Key Season 3 Arc: Belly’s journey is about coming of age and honoring herself, according to creator Jenny Han. She will navigate the complexities of her relationships with Conrad and Jeremiah, ultimately making a choice that defines her future.

Conrad Fisher (Christopher Briney)

• Role: The older, brooding Fisher brother, Belly’s first love.
• Actor: Christopher Briney
• Key Season 3 Arc: Conrad's emotional depth and commitment issues will be tested as he fights for Belly one last time, dealing with the fallout of the previous summer's events.

Jeremiah Fisher (Gavin Casalegno)

• Role: The younger, charming, and more outgoing Fisher brother.
• Actor: Gavin Casalegno
• Key Season 3 Arc: Jeremiah is currently in a relationship with Belly, but their bond faces significant challenges, particularly as the central conflict of the love triangle reaches its peak, mirroring the events of the final book.

Other confirmed returning cast members include Sean Kaufman (Steven Conklin), Elsie Fisher (Skye), and Jackie Chung (Laurel Park), among others, ensuring the full ensemble returns for the emotional conclusion.

Plot Predictions and Creator Insights on the Final Summer

The third season is a direct adaptation of Jenny Han’s novel, We’ll Always Have Summer, which provides a roadmap for the plot, but the show has a history of making significant changes. Creator Jenny Han has confirmed that while the core story will follow the book, fans should be prepared for some surprises.

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The Love Triangle's Final Chapter

The central conflict—Team Conrad vs. Team Jeremiah—will finally be resolved. Season 2 ended with Belly choosing Jeremiah, but the lingering feelings and history with Conrad Fisher are undeniable. The final season will explore the consequences of that choice and the inevitable confrontation that leads to Belly's ultimate decision about who she wants to be with.

Han has been vocal about the series being a coming-of-age story for Belly, emphasizing her personal growth over simply her romantic choice. The ending is expected to be "hopeful," with Belly learning to "honor herself" above all else.

Major Book Events and Potential Changes

Fans of the book know that the third installment involves a significant time jump and a dramatic, life-altering event that forces Belly to confront her true feelings. While the creative team is keeping tight-lipped, Han has warned that some beloved moments from the book "might not happen" exactly as fans expect, indicating that the show will take its own path to the conclusion.

One element that is guaranteed to return is the series' signature soundtrack, which heavily features music by Taylor Swift. The use of Swift's songs has become a beloved staple of the series, perfectly underscoring the emotional highs and lows of the teenagers' lives.

Why Season 3 is the Final Chapter

For fans hoping for more seasons, Jenny Han has consistently stated that the story was always intended to be a trilogy, mirroring the three books in the series. The three seasons represent the complete arc of Belly's teenage summers and her journey into adulthood.

While the series concludes with Season 3, the legacy of the story may continue. Following the series' conclusion on September 17, 2025, a feature-length film was announced, suggesting that while the main narrative of Belly, Conrad, and Jeremiah's love triangle is over, the world of Cousins Beach and the characters' lives may be revisited in a new format. This potential movie is a fresh piece of news that offers a glimmer of hope for the fandom after the series finale.

The final summer is fast approaching. With the official release date of July 16, 2025, confirmed, all that's left is to prepare for the emotional rollercoaster as Belly, Conrad, and Jeremiah face their destinies in the final, 11-episode season of The Summer I Turned Pretty.