TSITP Finale Delivers Emotional Closure on Prime Video

In a global streaming event today, Prime Video released the series finale of The Summer I Turned Pretty (TSITP) Season 3, bringing Jenny Han’s beloved coming-of-age trilogy to a close.

Nut Graf Fans around the world tuned in to witness the long-awaited conclusion of Belly Conklin’s journey, which saw her navigate first love, heartbreak and self-discovery across three summers. With this final chapter, TSITP fulfilled the promise of Jenny Han’s novels while offering fresh surprises and a hopeful resolution.

Finale Release and Streaming Details

The episode premiered Wednesday, September 17, 2025, at 12:00 a.m. PT (3:00 a.m. ET) on Prime Video.
All three seasons remain available for on-demand viewing worldwide.

Plot Highlights and Surprises

Belly’s choice between Conrad and Jeremiah reached its climax in a Parisian setting filled with heartfelt confrontations and a surprise romantic gesture from Conrad.
Viewers saw closure for Jeremiah as he confronted his past and made peace with Belly’s decision.
Jenny Han wove in new scenes not present in the novels, including extended sequences in Paris that deepened Belly’s personal growth.

Creator Insights and Fan Reactions

Jenny Han, the showrunner and author, promised “plenty of surprises” and delivered an ending that balances book-faithful moments with original twists.
Social media erupted as fans shared reactions to key scenes, praising the performances of Lola Tung (Belly), Christopher Briney (Conrad) and Gavin Casalegno (Jeremiah).
Viewership metrics show Season 3’s opening week up 40 percent over Season 2, underscoring the series’ growing popularity.

What’s Next for TSITP?

Although no Season 4 is currently planned-the three seasons correspond to Han’s trilogy-both the author and Prime Video have left the door open for future revisits to Cousins Beach House. For now, viewers worldwide can savor the finale’s moments and celebrate the end of a modern teen romance that captured hearts everywhere.