Season 3, episode 11 of The Summer I Turned Pretty comes out on Wednesday, September 17, 2025 , on Amazon Prime Video, and it drops at 3:00 a.m. ET / 12:00 a.m. PT.

Quick Scoop

  • Episode: Season 3, Episode 11 (the finale, titled “At Last”)
  • Release date: September 17, 2025
  • Release time: 3:00 a.m. ET / 12:00 a.m. PT on Prime Video
  • Platform: Amazon Prime Video (subscription required)
  • Context: This is the final episode of Season 3 and the end of the series’ story.

Why this episode is a big deal

Season 3 adapts Jenny Han’s third book, We’ll Always Have Summer , and Episode 11 serves as both the season finale and series finale , so it’s expected to wrap up Belly, Conrad, and Jeremiah’s long-running love triangle.

Episode descriptions and coverage hint that Belly’s 22nd birthday and a surprise arrival from home force her to confront the life she thought she’d left behind, which sets the stage for her final decision about her future.

Episode 11 release facts (at a glance)

Detail Info
Season 3 (final season)
Episode 11 – “At Last”
Release date September 17, 2025
Release time 3:00 a.m. ET / 12:00 a.m. PT
Where to watch Amazon Prime Video
What it is Season and series finale
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Forum-style talk & trending angle

“Everyone’s counting down to Sept 17—whether you’re Team Conrad or Team Jeremiah, Episode 11 is where we finally see who Belly chooses and how this version of the story ends.”

On social and fan spaces, people are treating this drop as the “last night at Cousins Beach,” rewatching earlier episodes, sharing predictions about Belly’s choice, and debating how closely the finale will follow the book’s ending versus introducing some twists.

Given that all 11 episodes roll out weekly from July 16 to September 17, 2025, Episode 11 is positioned as the emotional payoff fans have been building toward all summer.

TL;DR: If you’re waiting for “when is The Summer I Turned Pretty Season 3 Episode 11 coming out,” set your reminder for September 17, 2025, at 3:00 a.m. ET on Prime Video —that’s the big finale drop.

Information gathered from public forums or data available on the internet and portrayed here.