20 years ago, when young friends Connor Sanchez (Elias Harger), Amaya Brimley (Brooklynn Prince), and Greg Greene (Roman Griffin Davis) put on their pajamas and activate their animal amulets, they turn into their alter egos: Catboy, Owlette, and Gekko as they become a trio of superheroes at night. During the school day a problem arises, and during the night the culprit is found by the PJ Masks and the problem gets solved by sharing ideas, recognizing strengths and weaknesses, and the ability of working together to get the problem solved, 20 years later, Connor (Louis Partridge), Amaya (Millie Bobby Brown), and Greg (Casey Simpson), are suddenly called back to base when a new type of villain starts a deadly war they are teamed up with other heroes from across the multiverse, these unlikely heroes are the last hope against a mounting apocalypse, rising up to become the most powerful defence force to ever walk the earth, they will set a course for a spectacular all-new adventure on a towering scale.
