Lucio returns to his hometown of Sansaurio after saving Dinopia, but no one remembers him?! To make matters worse, dinosaurs from across dimensions appear throughout the city, and even the Dino Stars, who were once a team, become rivals to engage in a fierce competition to rescue dinosaurs! Amidst the chaos, Lucio meets a new Dino Star named Xena, gathers his scattered comrades, and challenges for the title of "Strongest Dino Star" to protect the dinosaurs! With new comrades and rivals, even more powerful Quantum Powers, and formidable enemies, the Dino Stars' dinosaur rescue adventure becomes even more spectacular!