The Ultimate Guide To 'The Summer I Turned Pretty': Where To Watch, Season 3 Plot & The Final Love Triangle Resolution
The Summer I Turned Pretty (TSITP) has become a cultural phenomenon, defining the Young Adult (YA) romance genre for a new generation. As of December 2025, the series is exclusively available for streaming on Prime Video, where fans are currently gearing up for the highly anticipated and final third season, set to premiere in 2025.
This beloved show, based on the best-selling book trilogy by author and showrunner Jenny Han, centers on Isabel "Belly" Conklin and the pivotal summers she spends at Cousins Beach with the Fisher family. The central conflict—the complex, emotional love triangle between Belly and brothers Conrad and Jeremiah Fisher—is finally heading toward its dramatic conclusion, making Season 3 the most crucial installment yet.
The Summer I Turned Pretty: Series Profile & Main Cast
The success of The Summer I Turned Pretty lies in its faithful yet modern adaptation of Jenny Han’s novels, blending nostalgic summer vibes with contemporary coming-of-age issues. The series is a production of Amazon Studios and is primarily filmed in Wilmington, North Carolina, which stands in for the fictional coastal town of Cousins Beach.
The series is confirmed to conclude with its third season, staying true to the source material of the three-book trilogy.
- Genre: Young Adult, Romance, Drama
- Source Material: The three-book series by Jenny Han (*The Summer I Turned Pretty*, *It's Not Summer Without You*, and *We'll Always Have Summer*).
- Streaming Home: Prime Video (Amazon Studios).
- Primary Setting: Cousins Beach, Massachusetts (Fictional, filmed in Wilmington, NC).
- Status: Season 3 is the final season, slated for 2025.
Key Returning Cast Members (The Core Love Triangle)
The entire main cast is expected to return to conclude their characters' arcs, especially the trio at the center of the Team Conrad versus Team Jeremiah debate.
- Lola Tung as Isabel "Belly" Conklin
- Christopher Briney as Conrad Fisher
- Gavin Casalegno as Jeremiah Fisher
Additional returning cast includes Jackie Chung as Laurel Park (Belly's mother) and Rachel Blanchard as Susannah Fisher (the Fisher matriarch, whose presence is felt even after her passing).
Where to Stream 'The Summer I Turned Pretty' (All Seasons)
If you're looking to catch up on Belly's journey, from her first Debutante Ball to the devastating loss of Susannah, the entire series is consolidated in one place.
The first two seasons of The Summer I Turned Pretty are available to stream exclusively on Prime Video. This platform is the dedicated home for the entire series, including the upcoming final season.
You must have an active Amazon Prime or Prime Video subscription to access the episodes. The show’s popularity has made it one of the platform’s biggest hits, capitalizing on the demand for high-quality, emotionally resonant YA content.
The Final Chapter: What to Expect from Season 3 (Book Spoilers Ahead)
The third and final season will be based on the last book in Jenny Han's trilogy, *We'll Always Have Summer*. This season is expected to be the most dramatic, featuring a significant time jump and the ultimate resolution of the central love triangle.
The show has taken liberties with the books before, such as expanding the roles of secondary characters like Steven and Taylor, but the core romantic ending is likely to remain intact.
The Two-Year Time Jump and College Life
Season 3 will pick up after a substantial time jump, likely two years after the events of Season 2. Belly will be moving into her freshman year of college at Finch College (filmed using the campus of the University of North Carolina-Chapel Hill).
At the start of the book's final chapter, Belly is in a committed relationship with Jeremiah, having navigated their connection through college life.
The Failed Engagement and the Return of Conrad
A major plot point from the book that fans are eagerly anticipating is the crisis that brings the three characters back together. In the source material, Belly and Jeremiah decide to get married, a choice that is met with disapproval from their families and is ultimately driven by unresolved grief and commitment issues.
This event forces Conrad—who has been dealing with his own emotional journey and therapy—to re-enter Belly's life. The tension is ramped up as the reality of the impending (and likely doomed) wedding forces Belly to confront her true feelings.
The Ultimate Question: Team Conrad or Team Jeremiah?
The entire premise of the series has revolved around Belly's decision. While the show has a chance to deviate, the book's ending provides a clear answer that most fans expect the series to honor.
- Jeremiah's Arc: Jeremiah represents the safe, fun, and immediate love. His story in the final book is about finding closure and realizing that his relationship with Belly, while a deep friendship, cannot be sustained by a forced marriage.
- Conrad's Arc: Conrad represents the "infinite" love, the deep, foundational connection that Belly first experienced. The final book sees him mature, resolve his emotional issues (including grief from Susannah's death), and finally be ready to fight for Belly.
In the final pages of the novel, *We'll Always Have Summer*, Belly marries Conrad Fisher. The show is expected to culminate in this long-awaited union, fulfilling the promise of the Cousins Beach connection and the emotional legacy left by Susannah. Fans should prepare for a bittersweet conclusion that finally puts an end to the most famous love triangle in recent YA history.
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