Yes, there are multiple seasons of "The Summer I Turned Pretty." The second season, based on the second book in the trilogy "It's Not Summer Without You," was released on July 14, 2023, on Amazon Prime Video with all eight episodes available. The third and final season, based on the third book "We'll Always Have Summer," premiered on July 16, 2025, and will conclude the story with 11 episodes. There are currently no plans for a season 4, as the story is being concluded with season 3, according to the author Jenny Han, though she hasn't completely ruled out future possibilities if a new story arises.