TSITP Season 3: Everything You Need To Know About The Final Chapter

Christina Gerhold 24 Jun 2025

Get ready, Cousins Beach fans, because the highly anticipated return of "The Summer I Turned Pretty" for its third and final season is almost upon us! After what feels like an eternity since the dramatic conclusion of Season 2, viewers around the globe are buzzing with excitement for "TSITP Season 3." This beloved Amazon Original series, based on Jenny Han's bestselling book trilogy, has captivated audiences with its enchanting portrayal of summer, first loves, and the complexities of growing up.

The journey of Belly Conklin and the Fisher brothers, Conrad and Jeremiah, has become a cornerstone of summer viewing for many, drawing fans into their intricate love triangle against the idyllic backdrop of Cousins Beach. As we brace ourselves for the ultimate conclusion, there's a lot to unpack regarding what awaits us in the upcoming season. From confirmed release dates and returning cast members to tantalizing hints about the plot, this comprehensive guide will provide all the essential details you need to prepare for the grand finale.

The Highly Anticipated Return of TSITP Season 3
What We Know So Far: Based on 'We'll Always Have Summer'
- The Book's Influence and Potential Deviations
Meet the Stars: The Core Trio and Returning Favorites
Release Dates & How to Watch TSITP Season 3
The Battle Lines Are Drawn: Team Conrad vs. Team Jeremiah
What to Expect: Spoilers, Trailers, and Unraveling Drama
Why TSITP Season 3 Matters: A Cultural Phenomenon

The Highly Anticipated Return of TSITP Season 3

The wait has been long, but the excitement for "The Summer I Turned Pretty" Season 3 is palpable. Fans have been eagerly awaiting news since the second season concluded, leaving many questions unanswered and emotional cliffhangers hanging in the air. This hit series has successfully translated the magic of Jenny Han's novels to the screen, creating a vibrant, emotionally resonant world that viewers have fallen in love with. The show's ability to capture the essence of young love, friendship, and family dynamics, all set against the nostalgic backdrop of summer, has cemented its place as a must-watch teen romance. The announcement of "TSITP Season 3" being the final installment only heightens the anticipation, as everyone is keen to see how Belly's story ultimately concludes.

What We Know So Far: Based on 'We'll Always Have Summer'

"The Summer I Turned Pretty" Season 3 is officially based on Jenny Han's third and final novel in the franchise, titled "We'll Always Have Summer." This provides a significant roadmap for the upcoming season's narrative, suggesting a deep dive into the characters' lives several years after the events of Season 2. For those familiar with the books, the third installment brings Belly, Conrad, and Jeremiah into their college years, facing new challenges and making pivotal life decisions that will ultimately determine their futures, both individually and as a trio. The transition from high school summers to more adult responsibilities is a major theme, promising a more mature and complex storyline for the characters we've grown to love.

The Book's Influence and Potential Deviations

While the cast previously told People that "TSITP Season 3" will follow the novel "pretty closely," author and showrunner Jenny Han has also teased that the season will "deviate" from the book. This is not entirely new for the series, as previous seasons have also introduced new details, such as the character Skye, who was not in the original books. This creative freedom allows the show to explore new avenues and perhaps surprise even the most dedicated book readers. One particular moment that sparked a viral theory among fans was the choice of the poster for seasons 1 and 2, which featured Lola Tung (Belly) alone. This prompted speculation that "TSITP Season 3" might even change the book’s ending, a prospect that has both excited and worried fans of the original source material. During the Season 2 finale, Belly chose to be with Jeremiah, and Season 3 is confirmed to occur after a time jump, in which Conrad will also have moved on in some aspects. This time jump will allow for significant character development and new dynamics within the love triangle, potentially setting the stage for unexpected twists and turns that diverge from the novel's familiar path.

Meet the Stars: The Core Trio and Returning Favorites

The heart of "The Summer I Turned Pretty" lies in its compelling characters, brought to life by a talented ensemble cast. While the main trio of Lola Tung, Christopher Briney, and Gavin Casalegno is sure to return, fans can also look forward to seeing many other familiar faces back in Cousins Beach. Here's a closer look at the central figures and other actors making their way back for "TSITP Season 3," along with a brief overview of their roles.

Lola Tung as Belly Conklin

Lola Tung beautifully embodies Isabel "Belly" Conklin, the central figure of the series whose summers are inextricably linked to the Fisher family. Her journey of self-discovery, navigating first loves, heartbreaks, and the complexities of growing up, is the emotional core of the show. In Season 2, Belly made the significant choice to be with Jeremiah, a decision that will undoubtedly have profound implications for her relationships in "TSITP Season 3."

Full Name	Role in TSITP	Birthdate (Approx.)	Nationality
Lola Tung	Isabel "Belly" Conklin	October 28, 2002	American

Christopher Briney as Conrad Fisher

Christopher Briney portrays Conrad Fisher, the elder and often brooding Fisher brother, who has a complicated but deep connection with Belly. Their on-again, off-again romance has been a central tension point throughout the series, leaving fans divided into "Team Conrad." In the aftermath of Belly choosing Jeremiah, Conrad's storyline in "TSITP Season 3" will explore his personal growth and how he copes with the evolving dynamics of their friendship and love triangle after the time jump.

Full Name	Role in TSITP	Birthdate (Approx.)	Nationality
Christopher Briney	Conrad Fisher	March 24, 1998	American

Gavin Casalegno as Jeremiah Fisher

Gavin Casalegno plays Jeremiah Fisher, the charming and outgoing younger Fisher brother, who has always been a steadfast friend and romantic interest for Belly. His unwavering loyalty and sunny disposition made him a strong contender for Belly's heart, a choice she ultimately made at the end of Season 2. "TSITP Season 3" will delve into their relationship post-time jump, exploring the challenges and joys of their newfound commitment.

Full Name	Role in TSITP	Birthdate (Approx.)	Nationality
Gavin Casalegno	Jeremiah Fisher	October 22, 1999	American

Other Familiar Faces Making a Comeback

Beyond the core trio, the supporting cast plays a crucial role in bringing the world of Cousins Beach to life. The returning actors confirmed for "TSITP Season 3" include:

Sean Kaufman as Steven: Belly's protective and often humorous older brother, whose own romantic entanglements and journey through college will likely continue to be explored.
Rain Spencer as Taylor: Belly's best friend, whose vibrant personality and evolving relationships add another layer of drama and fun to the series.
Jackie Chung as Laurel: Belly and Steven's mother, whose friendships, personal struggles, and role as a parent provide a mature perspective to the youthful drama.

While the main cast is set to return, fans should also keep an eye out for any new regulars who might join the "TSITP" cast in Season 3, potentially adding new dynamics and storylines as the show ventures into the post-high school era.

Release Dates & How to Watch TSITP Season 3

The moment everyone has been waiting for: when and where can you watch the final season of this beloved teen romance? Mark your calendars, because "The Summer I Turned Pretty" Season 3 is coming to the 2025 TV schedule in July! Specifically, the series premieres on July 16, 2025, exclusively on Prime Video. This means that Prime members around the world will have the convenience and entertainment of diving back into Cousins Beach as part of their single membership.

For those who prefer to binge or watch weekly, the release schedule seems to be spread out, building anticipation with each episode. While the season kicks off in July, specific later episode premiere dates have also been announced, indicating a likely weekly release pattern. For instance, "Season 3, episode 10 premieres on September 10, 2025," and "Season 3, episode 11 premieres on September 17, 2025." This suggests a compelling weekly rollout that will keep fans engaged throughout the summer and into the fall, dissecting every moment and theory as the story unfolds towards its grand conclusion. The Amazon Original series will premiere exclusively on Prime Video in more than 240 countries and territories around the world, ensuring that "The Summer I Turned Pretty" remains a global phenomenon.

The Battle Lines Are Drawn: Team Conrad vs. Team Jeremiah

One of the most enduring and passionate aspects of "The Summer I Turned Pretty" fandom is the fierce debate between "Team Jeremiah" and "Team Conrad." This battle has always been aggressive, with fans passionately advocating for their preferred Fisher brother to end up with Belly. The emotional investment in this love triangle is immense, making it a central pillar of the show's appeal. No matter which team you’re on, there’s one thing that’s for sure—this summer is ~the summer~ to dive into "TSITP" mode, as the final season promises to bring this intense rivalry to its definitive conclusion.

The show truly excels at capturing the essence of young love and the agonizing choices that come with it, which is what "TSITP" is really all about. With Belly having chosen Jeremiah at the end of Season 2, and a time jump occurring before Season 3, the dynamics are set to shift dramatically. Will Belly and Jeremiah's relationship withstand the test of time and new challenges? Will Conrad find new love, or will the spark with Belly reignite? These questions fuel the "war" between the fan teams, making "TSITP Season 3" not just a conclusion to a story, but the resolution of one of television's most compelling love triangles. The "girls are ready for war" sentiment perfectly encapsulates the high stakes and emotional intensity awaiting viewers.

What to Expect: Spoilers, Trailers, and Unraveling Drama

As "TSITP Season 3" approaches, fans are eager for any glimpse into what the final chapter holds. While specific plot details remain tightly under wraps to avoid major spoilers, the information available hints at a season filled with significant developments and emotional depth. The trailer for "The Summer I Turned Pretty" Season 3, when it eventually drops, will undoubtedly offer the first visual clues about the new season's tone and key moments, sending fans into a frenzy of speculation.

Picking up from the last season nearly two years ago, the story continues a few years after their high school summers. This time jump is crucial, as it allows for the characters to have matured, experienced new things, and potentially grown apart or closer in unexpected ways. We know that Belly chose Jeremiah in the Season 2 finale, and the time jump implies that Conrad will have moved on in some capacity. This sets the stage for a complex exploration of their evolving relationships, friendships, and individual paths. You can expect to catch up on the tea with your fave "TSITP" characters and see what drama unravels in the new season on Amazon Prime Video. The series has always been adept at blending heartwarming moments with intense emotional conflicts, and "TSITP Season 3" is expected to deliver on all fronts as it brings Belly's story to a definitive close.

Why TSITP Season 3 Matters: A Cultural Phenomenon

"The Summer I Turned Pretty" has transcended its genre to become a significant cultural phenomenon, resonating deeply with a wide audience. Its success lies not just in its romantic entanglements but in its authentic portrayal of adolescence, family bonds, and the bittersweet nature of summer. "TSITP Season 3" marks the end of an era, concluding a story that has captured the hearts of millions. It's a show that evokes nostalgia for carefree summers, first crushes, and the painful beauty of growing up.

The series has fostered a vibrant and engaged community, with fans actively participating in discussions, creating fan art, and passionately debating the merits of Team Conrad versus Team Jeremiah. This level of engagement speaks volumes about the show's impact and its ability to connect with viewers on a personal level. As the final season, "TSITP Season 3" carries the weight of delivering a satisfying conclusion to a beloved narrative, one that has explored "a love for all seasons" and the enduring power of friendship and family. It’s more than just a teen romance; it’s a story about finding your place, understanding your heart, and the indelible marks left by the summers that shape us. The anticipation for this final chapter isn't just about seeing who Belly ends up with, but about saying goodbye to characters and a world that have become a cherished part of many viewers' lives.

Conclusion

The countdown to "The Summer I Turned Pretty" Season 3 has officially begun, and the excitement is reaching fever pitch. With a confirmed release in July 2025, exclusively on Prime Video, fans around the globe are preparing to dive back into the world of Belly, Conrad, and Jeremiah for one last summer. We've covered the confirmed return of your favorite stars like Lola Tung, Christopher Briney, and Gavin Casalegno, along with the tantalizing prospect of how the show will adapt—and potentially deviate from—Jenny Han's final novel, "We'll Always Have Summer."

This season promises to be the most emotional and pivotal yet, as it navigates a significant time jump and brings the intense Team Conrad vs. Team Jeremiah debate to its ultimate resolution. Whether you're a long-time fan or new to the Cousins Beach saga, "TSITP Season 3" is set to deliver an unforgettable conclusion filled with drama, romance, and the heartfelt moments that have defined the series. Don't miss out on the final chapter of this beloved story. Get ready to catch up on all the drama and see how Belly's journey concludes. What are your predictions for "TSITP Season 3"? Will Belly's choice stand the test of time, or will the currents of Cousins Beach pull her in a new direction? Share your thoughts in the comments below, and make sure you're subscribed to Prime Video to watch the final season unfold!

Arden — hi, thoughts on tsitp season 3?

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