The Summer I Turned Pretty is returning for a third and final season. It's no surprise after the incredible success of the show, which included The Summer I Turned Pretty season 2 being one of the 10 most watched seasons of any series ever on Prime Video and more than doubled the first season's viewership within three days of launch.
So what can fans expect from The Summer I Turned Pretty season 3 and its final 11 new episodes based on the best-selling book trilogy from Jenny Han, who serves as a co-showrunner with Sarah Kucserka, go?
Here's everything we know about The Summer I Turned Pretty season 3.
The Summer I Turned Pretty season 3 release date
The Summer I Turned Pretty season 3 returns in summer 2025 on Prime Video. Specifically, the latest season debuts on July 16, with all 11 episodes available to stream immediately.
In order to watch The Summer I Turned Pretty season 3, or either of the first two seasons of the show, you must have a Prime Video subscription. Prime Video is included as part of all Amazon subscriptions.
The Summer I Turned Pretty season 3 plot
It's safe to assume that the plot will follow the storyline of the third and final book from Jenny Han's series, We'll Always Have Summer, with Belly making a final choice between Jeremiah and Conrad.
Here's the official synopsis for The Summer I Turned Pretty season 3:
"It’s the end of her junior year of college, and Belly’s looking forward to another summer in Cousins with her soulmate, Jeremiah. Her future seems set, until some core-shaking events bring her first love Conrad back into her life. Now on the brink of adulthood, Belly finds herself at a crossroads and must decide which brother has her heart. Summer will never be the same…"
To catch up where everything left off, check out our The Summer I Turned Pretty season 1 ending explained feature and The Summer I Turned Pretty season 2 finale recap.
The Summer I Turned Pretty season 3 cast
Much of the main cast is returning for The Summer I Turned Pretty season 3, including Lola Tung, who stars as Belly. This is the actress' breakout, and to date only, role.
Christopher Briney plays Conrad. Additionally, he can be recognized for Daliland.
Gavin Casalegno portrays Jeremiah. The actor's other credits include Walker, The Vampire Diaries, The Unhealer, When the Game Stands Tall, Noah and Nine Seconds.
Sean Kaufman takes on the role of Steven. He can also be seen in Manifest, Law & Order: Special Victims Unit, FBI: Most Wanted and Happy Baby.
Rain Spencer brings the character of Taylor to life. Her work additionally includes Good Girl Jane and The Super Man.
Jackie Chung is Laurel. She was also in Coming Home Again, Station 19, Grey's Anatomy, Deadbeat, Someone Else and Fortune Sun.
According to a report from Variety, new cast members for The Summer I Turned Pretty season 3 are Isabella Briggs (Sugar), Kristen Connolly (Honey Don't!), Sofia Bryant (The Girl in the Woods), Lily Donoghue (Daisy Jones & the Six), Zoé de Grand’Maison (Riverdale), Emma Ishta (Stitchers) and Tanner Zagarino (Shrinking).
The Summer I Turned Pretty season 3 trailer
Check out The Summer I Turned Pretty season 3 trailers right here:
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