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The Summer I Turned Pretty returns with its third and final season on Wednesday, July 16, exclusively on Amazon Prime Video—and fans are bracing for an emotional summer full of romance, heartbreak, and high-stakes decisions for Belly Conklin. Based on Jenny Han’s bestselling trilogy, this season promises to bring closure to the love triangle that has captivated audiences since the beginning.
The new season kicks off with two episodes dropping at midnight PT / 3:00 a.m. ET, followed by weekly Wednesday releases leading up to the finale on September 17. With 11 episodes total, this is the series’ longest season and its most dramatic, as Belly steps further into adulthood while still navigating the emotional waves of Cousins Beach.
Lola Tung returns as Belly, now fresh off her junior year of college, trying to make sense of her feelings as her relationship with Jeremiah (Gavin Casalegno) is tested by the reappearance of her first love, Conrad (Christopher Briney). The season picks up where Season 2 left off: Belly chose Jeremiah, seemingly moving forward. But Conrad’s presence isn’t so easily left behind, and events this summer will challenge what she thought she knew about love—and about herself.
The supporting cast is just as strong: Sean Kaufman reprises his role as Steven, Belly’s protective older brother, and Rain Spencer is back as her best friend Taylor. Jackie Chung returns as Laurel, Belly’s grounded and emotionally complex mother, while familiar faces like Rachel Blanchard (Susannah) and Kyra Sedgwick (Aunt Julia) help round out the multigenerational family dynamic.
As Prime Video teases, “Belly finds herself at a crossroads and must decide which brother has her heart.” What once felt like a dreamy, innocent summer love story now unfolds with the weight of adult choices and consequences. While still set in the warm, nostalgic beauty of Cousins Beach, the tone grows up with its characters.
For fans looking to catch up or rewatch, Seasons 1 and 2 are already available on Prime Video. With Season 3 marking the official end of Belly’s journey, this summer is set to be her most defining one yet.