The Summer I Turned Pretty Season 3: The Full 11-Episode Guide, Titles, And Shocking Book Changes

The wait for the final chapter of Belly’s story is officially over. The Summer I Turned Pretty Season 3, the longest and final installment of the beloved Prime Video series, premiered on July 16, 2025, delivering an 11-episode arc that promises to finally resolve the epic, years-long love triangle between Isabel "Belly" Conklin and the Fisher brothers, Conrad and Jeremiah. This season, adapted from Jenny Han's third novel, We’ll Always Have Summer, expands the scope of the story, moving beyond Cousins Beach to explore college life, new relationships, and the lasting impact of Susannah Fisher’s legacy, all while diving deep into the complexities of growing up.

The decision to expand the final season to 11 episodes—up from seven in Season 1 and eight in Season 2—was a clear signal from creator Jenny Han that the final book’s emotional and complex narrative required more "canvas" to tell properly. Fans were desperate to know how the show would handle the time jumps and major life events from the source material, and the extended episode count allowed for a richer exploration of Belly's choices, Conrad's internal struggle, and Jeremiah's future. With all 11 episodes now available, the definitive ending to the Belly-Conrad-Jeremiah saga is here, complete with all the heartbreaking and heartwarming moments fans have waited for since the series began.

The Full Summer I Turned Pretty Season 3 Episode Guide (Titles & Release Schedule)

Season 3 of The Summer I Turned Pretty is a dramatic departure from the previous seasons, not just in its plot, but in its length. The 11-episode run is the longest of the series, giving the final chapter plenty of room to explore the aftermath of Belly's choice and the ultimate resolution of the love triangle. The season kicked off with a two-episode premiere and then settled into a weekly release schedule, culminating in a highly anticipated series finale.

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The episode titles for Season 3 all share a poignant theme, reflecting the finality of the story and the end of an era for the characters. The recurring word "Last" underscores the emotional weight of this final summer at Cousins Beach and the end of Belly's teenage years.

• Episode 1: "Last Season" — Premiered July 16, 2025
• Episode 2: "Last Christmas" — Premiered July 16, 2025
• Episode 3: "Last Supper" — Premiered July 23, 2025
• Episode 4: "Last Stand" — Premiered July 30, 2025
• Episode 5: "Last Dance" — Premiered August 6, 2025
• Episode 6: "Last Name" — Premiered August 13, 2025
• Episode 7: "Last Hurrah" — Premiered August 20, 2025
• Episode 8: "Last Kiss" — Premiered August 27, 2025
• Episode 9: "Last Call" — Premiered September 3, 2025
• Episode 10: [Title Not Fully Confirmed] — Premiered September 10, 2025
• Episode 11: [Series Finale Title Not Fully Confirmed] — Premiered September 17, 2025

The story begins at the end of Belly's freshman year of college, immediately throwing her back into the emotional fire of her relationship with Jeremiah (Gavin Casalegno) and the lingering feelings for Conrad (Christopher Briney). The season quickly moves to the core conflict, with the summer house at Cousins Beach once again serving as the backdrop for life-altering decisions.

The Main Cast and Characters Returning for the Final Summer

The final season brings back the core ensemble, whose performances as the beloved characters have been central to the show's massive success on Prime Video. The chemistry between the main trio—Lola Tung, Christopher Briney, and Gavin Casalegno—is the engine of the series, and their return was essential for the final adaptation of the *We'll Always Have Summer* novel. This is the last chance for viewers to see the full cast together in the iconic summer setting.

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Key Returning Cast Members and Characters (Entities)

• Lola Tung as Isabel "Belly" Conklin
• Christopher Briney as Conrad Fisher
• Gavin Casalegno as Jeremiah Fisher
• Sean Kaufman as Steven Conklin
• Rain Spencer as Taylor Jewel
• Jackie Chung as Laurel Park
• Rachel Blanchard as Susannah Fisher (Appearing in flashbacks or as a powerful emotional presence)
• Kyra Sedgwick and Elsie Fisher (Returning from Season 2 in supporting roles)

Beyond the love triangle, the final season gives significant screen time to the secondary characters, deepening the topical authority of the show. Steven Conklin (Sean Kaufman) and Taylor Jewel (Rain Spencer) have a much more complicated and central relationship this season, which deviates from the book but adds a compelling side plot. Laurel Park (Jackie Chung) also continues her journey of self-discovery after the loss of Susannah, tying the families together even as the younger generation faces their own turmoil.

How Season 3 Differs from the 'We'll Always Have Summer' Book

Jenny Han, the creator and author, has always been open about making changes from the books to the show, and The Summer I Turned Pretty Season 3 is no exception. While the major plot points of the final novel, We'll Always Have Summer, are maintained—namely, Belly's choice and the ultimate resolution of the love triangle—the show introduces several significant deviations to enhance the drama and broaden the world.

One of the most immediate changes is the focus on the characters' college lives. While the book fast-forwards through this period, the show starts with Belly's freshman year at Finch College. This setting provides a new backdrop for the tension between Belly and Jeremiah, and it allows for a more gradual, realistic build-up to the major conflict. The show also explores Conrad Fisher’s journey in greater depth, including a focus on his mental health and his journey through therapy, a subplot only hinted at in the books.

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Major Plot Enhancements and Changes

• Steven and Taylor's Relationship: The show significantly elevates the importance of Steven (Sean Kaufman) and Taylor’s (Rain Spencer) complicated romantic relationship. In the book, their story is minor, but in the series, their dynamic becomes a major secondary plot, providing a compelling contrast to the Belly-Brothers drama.
• The College Setting: The series spends more time at Finch College, where both Belly and Jeremiah attend. This allows for new social dynamics and conflicts outside of the usual Cousins Beach environment, giving the characters a chance to develop independently.
• The 'Peach Scene': Fans of the book know the importance of a specific "peach scene" that serves as a pivotal moment of realization for Belly. The show re-creates this defining moment, but places it within the context of the show's unique timeline and character development, making it feel both familiar and fresh.
• Laurel’s Story: Laurel Park's (Jackie Chung) narrative continues to be more prominent in the series than in the books. Her story of grief, writing, and moving forward serves as an emotional anchor for the Conklin family.

The 11-episode format allows the creative team to flesh out these subplots, turning supporting characters into fully realized entities. By the time the series finale arrived on September 17, 2025, the audience was given a comprehensive, satisfying, and emotionally resonant conclusion that honored the source material while still surprising long-time fans with fresh and unique turns.