“Percy Jackson and the Olympians” season 2 bolts onto our screens next week on December 10. If it’s anything like the first run, we’re gearing up for more mythic monsters, stormy sea‑quests and epic hero drama. With new threats and the fate of Camp Half-Blood hanging in the balance, now’s the perfect time for a quick refresher.
When it debuted on Disney Plus in late 2023, the show quickly became one of the platform’s most-watched series, racking up more than three billion minutes of viewing over the following year. Even before season 2’s premiere, the show was already renewed for a third season. So it’s safe to say the world is more than ready for the next chapter.
Fair warning: I’ll be spoiling major events from season 1. So, without further ado, here are five things you should remember before “Percy Jackson” season 2.
1. Season 2 will follow the second book
Season 2 will naturally dive straight into “The Sea of Monsters,” the second book of Rick Riordan’s series. The story follows Percy (Walker Scobell) and his friends on a dangerous quest to save Camp Half-Blood after its protective tree is poisoned.
Their mission is twofold: rescue the captured satyr Grover (Aryan Simhadri) and retrieve the legendary Golden Fleece, a magical artifact capable of restoring the camp’s defenses.
Along the way, they face monstrous beasts, treacherous seas, and supernatural threats, including the mysterious sirens that test their courage and loyalty. In short, expect a bigger, more dangerous journey this season, one that even Riordan says will be “bigger and even better” than season 1 (h/t People).
2. Luke is the traitor
Before leaving camp to go on his first quest, Percy visits the camp’s Oracle (a Delphi-like priestess), who delivers a cryptic prophecy: One of Percy’s close companions will betray him on the journey. The Oracle’s prophecy comes true when it’s revealed that Luke (Charlie Bushnell) is the traitor.
Back at Camp, Percy confronts Luke and learns that Luke has been acting under Kronos’s influence. Luke admits he helped steal the bolt and helm (on Ares’s orders) in hopes of helping the gods (Kronos had disguised himself in Luke’s body during parts of the quest). So it turns out Percy’s trusted friend has been the bad guy all along.
Luke’s allegiance with Kronos is now out in the open, confirming that Kronos survived and is plotting an all-out attack on Olympus, which plays a crucial part in season 2.
3. Percy now has a half-brother
One of season 2’s big surprises is that Percy will finally meet Tyson (Daniel Diemer), his Cyclops half-brother. Tyson is introduced early on (as a friendly new kid living with Percy’s mom) before Percy and the audience learn that Tyson is also a son of Poseidon. Suddenly, Percy has a brother to look after, which brings both comic moments and real emotional stakes.
Even Annabeth (Leah Jeffries) is wary of Tyson (she “hates all Cyclops” due to her past), so Percy is caught between embracing a new family and smoothing over tension with his friends. As Entertainment Weekly notes, Tyson turns out to have “a fantastic mix of sweetness and vulnerability” under his big exterior, so fans can look forward to seeing Percy challenged and changed by this new brotherly bond.
4. Clarisse will play a bigger role
Clarisse La Rue (Dior Goodjohn) won’t be on the sidelines anymore. In season 2, she sets off on her own quest, no longer just Percy’s rival but a full-fledged hero on a mission. Even the official synopsis explicitly lists Clarisse among Percy’s allies on the Sea of Monsters journey, so expect her to get a lot more screen time.
Goodjohn hints that Clarisse’s motivations will run deep this season, and indeed, fans have speculated she may be competing for the Golden Fleece or otherwise trying to prove herself. Whatever the specifics, it’s clear the show will give Clarisse moments to shine: season 2 is set to flesh out her character and show why the daughter of Ares is a hero in her own right.
5. Percy is still getting used to his powers
Finally, season 2 is very much Percy’s story of growing into his powers. He’s still only a teenager, and the show suggests there’s much more to learn about being the son of Poseidon.
Viewers can expect to see Percy struggling to master the water magic that runs in his blood (from summoning storms to manipulating the sea), all while coping with normal-kid fears and doubts. By season’s end, Percy won’t just be wiser to his fate but he’ll be stronger in his powers, ready to protect Olympus alongside his friends Annabeth and Grover.
“Percy Jackson and the Olympians” season 2 premieres with two episodes on Disney Plus on December 10, 2025. After that, new episodes arrive weekly on Wednesdays.
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