The initial casting announcements for the movie Percy Jackson: Sea of Monsters were made, confirming key actors for the sequel.
The movie had its world premiere event introducing the film to audiences and media.
Camp Half-Blood's protective borders are failing and Thalia's tree is poisoned; the heroes learn that the Golden Fleece is needed to heal it.
Percy Jackson and Annabeth Chase agree to embark on a quest to find the Golden Fleece in the Sea of Monsters to save the camp's magical borders.
Percy and Annabeth recruit Percy's cyclops half-brother Tyson and Grover the satyr for the perilous journey to the Sea of Monsters.
The questing party sets sail on the Argo II towards the Sea of Monsters in search of the Golden Fleece.
Percy and his friends face the cyclops Polyphemus, who guards the Golden Fleece, resulting in a dangerous battle.
The heroes successfully retrieve the Golden Fleece from Polyphemus, overcoming several traps and challenges.
Percy and the party return to camp and use the Golden Fleece to heal Thalia's tree and restore the camp's protective barriers.
The Golden Fleece's magic revives Thalia Grace from her petrified state, strengthening Camp Half-Blood's defenses.
Percy discovers that Luke Castellan continues to scheme against the Olympians, setting up future conflicts.
