Percy Jackson and the Olympians Season 2: All About the Disney+ Show's 'Bigger and Even Better' Second Chapter

There are more adventures to come in Percy Jackson and the Olympians.

Based on the book series by Rick Riordan, the Disney+ original series will return in 2025 for season 2 — which he told PEOPLE in September 2024 will be "bigger and even better" than its first season.

Although it will be developed from Riordan's second book, The Sea of Monsters, the author shared that he is making efforts to separate the Disney+ show from 2010's Percy Jackson & the Olympians: The Lightning Thief and 2013's Percy Jackson: Sea of Monsters.

"It was a very conscious decision that we said, 'Okay, we're not going to deal with the movie stuff,' " Riordan told PEOPLE. "I don't want anything to overshadow the new young cast and take away from them."

He continued, "This needs to be their moment, and we need to give them room to breathe and be these characters without worrying about anything that came before."

From the cast to the plot, here's everything to know about season 2 of Percy Jackson and the Olympians.

What will Percy Jackson and the Olympians season 2 be about?

Season 2 of Percy Jackson and the Olympians will be based on Rick Riordan’s second book in his series, The Sea of Monsters. In the novel, Percy embarks on a dangerous journey to rescue Grover, who is on a quest to find the god Pan but is captured by the same Cyclops that once held Odysseus captive.

The upcoming season will mirror this plot, with Percy returning to Camp Half-Blood and navigating various changes, including an evolving friendship with Annabeth and the surprising revelation that he has a Cyclops for a brother.

Riordan also shared with PEOPLE that season 2 will delve deeper into the characters’ backstories through flashbacks, providing viewers with a richer understanding of their histories.

"The beauty of doing Sea of Monsters on the TV screen is that all those little stories that Annabeth tells us about her background with Luke and Thalia in the book aren't just stories," he told PEOPLE. "You can see them happening in her flashbacks."

At D23 2024 in August, Riordan and several cast members teased that key elements from the book will make their way into season 2, including Grover’s wedding dress and the blossoming romance between Percy and Annabeth.

Who is in the cast of Percy Jackson and the Olympians season 2?

Many familiar faces from season 1 will reprise their roles in the series, including Walker Scobell as Percy Jackson, Leah Sava Jeffries as Annabeth Chase and Aryan Simhadri as Grover Underwood.

Additionally, Toby Stephens and Virginia Kull will return as Percy’s parents. Charlie Bushnell, Dior Goodjohn, Glynn Thurman and Jason Mantzoukas will also reprise their respective roles.

Season 2 also brings plenty of newcomers. According to Deadline, the series will welcome The Half Of It's Daniel Diemer, Resident Evil's Tamara Smart and The Deliverance's Andra Day.

Diemer will play Tyson, Percy's Cyclops half-brother; Smart has the role of Thalia Grace, daughter of Zeus; and Day will portray the goddess Athena, who is also Annabeth's mother.

Disney also announced that the Gray Sisters — who are introduced in chapter 3 of the book — will be portrayed by The King of Comedy's Sandra Bernhard, Bob's Burgers' Kristen Schaal and All-American Girl's Margaret Cho.

According to Variety, Veep's Timothy Simons will also join the cast in a recurring guest role as Tantalus, the newly appointed activities director at Camp Half-Blood during Chiron’s mysterious absence.

When will Percy Jackson and the Olympians season 2 be released?

Although the exact date has yet to be announced, season 2 of Percy Jackson and the Olympians will be released in 2025.

In August 2024, Disney+ released a production teaser for season 2, meaning filming was officially underway. According to Deadline, the season is being filmed in Vancouver.

How did Percy Jackson and the Olympians season 1 leave off?

Season 1 was based off Riordan's first novel, The Lightning Thief, and wrapped up with Percy confronting some of his most intense challenges yet.

The finale saw Percy battle Ares, the god of war, to retrieve Hades’ stolen helm and prevent a catastrophic war among the gods. With some help from the sea, Percy defeated Ares and brought the master bolt back to Zeus. Tensions nearly led to conflict, until Percy’s father, Poseidon, intervened, leading to a brief but meaningful father-son moment before Percy returned to Camp Half-Blood.

The celebration, however, quickly turned dark as Luke revealed his betrayal, admitting that he was the titular lightning thief, working to provoke the gods into war on behalf of Kronos, the vengeful Titan. With help from Annabeth, Percy fights off Luke, who then mysteriously escapes.

Afterward, Percy, Annabeth and Grover shared an emotional goodbye at the Thalia tree, and Percy returned home uncertain if Hades would uphold his promise to return his mother. In a heartwarming final scene, Percy wakes up to find his mother safe — after a dream sequence that set up the promise of new adventures ahead.

Where can I watch Percy Jackson and the Olympians?

Percy Jackson and the Olympians season 1 is available to stream on Disney+, where the second installment will also premiere in 2025.