The new season of the hit Disney+ series is here, and it is making a major change to the book’s original story. Season 2 of Percy Jackson and the Olympians began streaming on December 10, 2025. The season adapts The Sea of Monsters, the second book in Rick Riordan’s series, but it introduces a critical piece of the saga’s lore much earlier. The Great Prophecy, which foretells the fate of Olympus, has been brought into the storyline in the first few episodes, shifting the focus and raising the stakes for Percy Jackson and his friends.
This early introduction is a significant departure from the books, where the full prophecy is not revealed until the final novel. The show’s creators have chosen to weave this overarching thread into the narrative now, setting the stage for the larger conflict to come in future seasons.
The Premise of Season 2: A Quest into the Sea of Monsters
Percy Jackson returns to Camp Half-Blood a year after the events of the first season. He finds the camp in crisis. The magical border protecting it is failing because Thalia’s tree, which anchors the barrier, has been poisoned. To make matters worse, his best friend Grover Underwood has gone missing during a search for the god Pan.
Percy’s quest is clear: he must journey into the Sea of Monsters—what mortals know as the Bermuda Triangle—to find the Golden Fleece. This magical object has the power to heal anything, and Percy hopes to use it to save Thalia’s tree and, by extension, Camp Half-Blood. He is joined by Annabeth Chase and his newly discovered half-brother, a young Cyclops named Tyson. They are not the only ones on this mission, however. The fierce daughter of Ares, Clarisse La Rue, is also dispatched on her own quest to retrieve the Fleece.
Introducing the Great Prophecy Ahead of Schedule
One of the most talked-about changes in Season 2 is the early focus on the Great Prophecy. In the source material, this prophecy is a looming mystery that isn’t fully addressed until the fifth and final book, The Last Olympian. In the show, elements of the prophecy are discussed as early as the second episode.
The prophecy concerns a child of the “Big Three” gods—Zeus, Poseidon, or Hades. It states that when this demigod turns sixteen, they will face a choice that will either preserve or destroy Mount Olympus. As the only known living child of the Big Three, Percy is terrified to learn he is the most likely subject of this world-altering prediction.
In Episode 2, Chiron informs Annabeth about the prophecy, charging her with the difficult task of keeping its dire details from Percy for his own good. The weight of this secret immediately creates tension between the two friends. This storyline is new for the series and explores Annabeth’s struggle between her loyalty to Chiron and her friendship with Percy.
The prophecy is fully revealed to Percy by Annabeth in Episode 3, which takes place aboard the cruise ship Princess Andromeda, controlled by the traitorous Luke Castellan. This moment happens much sooner than it does in The Sea of Monsters book, where Percy only learns a fragment of the prophecy.
Executive producer Dan Shotz explained the decision, saying, “It’s such a big part of the later part of the story, but how do we introduce that now, the larger stakes, the larger mythology?” He added that the creative team wanted to introduce these complicating questions early and “really didn’t want to wait until the back end of the series.”
A Key Change to the Prophecy’s Rules
Along with introducing the prophecy early, the show is also adjusting one of its key conditions. In the books, the prophecy is tightly fixed to the demigod’s sixteenth birthday. The show has created some flexibility around this timing.
Author and show co-creator Rick Riordan pointed out that the prophecy’s wording allows for interpretation. “It doesn’t say in the prophecy it’s going to happen on a 16th birthday. It says he has to reach 16, and then…’ you know?” Riordan said. “So I think we can fudge it a little bit… that ‘OK, congratulations, you made it to 16. Now, at some point after this, things are going to happen.’”
This change helps address a practical reality of television production: the actors are aging. Walker Scobell, who plays Percy, is already 16 years old. This adjustment allows the story to maintain its urgency without being constrained by a specific date.
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New and Returning Faces at Camp Half-Blood
Season 2 features a mix of returning favorites and new characters essential to the story.
Walker Scobell, Leah Sava Jeffries, and Aryan Simhadri return as the core trio of Percy, Annabeth, and Grover. Charlie Bushnell is back as the turned-villain Luke Castellan, and Dior Goodjohn has been promoted to a series regular as the competitive Clarisse La Rue.
Important new cast members include:
- Daniel Diemer as Tyson, Percy’s kind-hearted Cyclops half-brother.
- Tamara Smart as Thalia Grace, the daughter of Zeus whose spirit lives in the pine tree that protects Camp Half-Blood.
- Timothy Simons as Tantalus, the cursed spirit who becomes the camp’s temporary and cruel activities director.
- Andra Day as Athena, the goddess of wisdom and Annabeth’s mother.
- Courtney B. Vance takes over the role of Zeus following the passing of Lance Reddick.
The season also introduces an original character not found in the books: Alison Simms, a daughter of Apollo played by Beatrice Kitsos, who has joined Luke’s rebellion.
How to Watch Season 2
Season 2 of Percy Jackson and the Olympians is streaming exclusively on Disney+ and Hulu in the United States. The season premiered on Wednesday, December 10, 2025, with the release of the first two episodes.
New episodes are released weekly every Wednesday. The season consists of eight episodes in total, concluding on January 21, 2026. The typical release time for new episodes on Disney+ is 3:00 a.m. Eastern Time / 12:00 a.m. Pacific Time.
For international audiences, the series is available on Disney+ in all global markets where the service is offered. The release schedule for other regions may vary based on local time zones.
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