About The Book The PJ Masks face a new underwater villain in this 8x8 storybook based on an episode from the hit show!Catboy, Owlette, and Gekko have yet another villain to protect the city from! This time, it’s Octobella—part octopus, part human! Will she be the one to finally defeat the PJ Masks? PJ Masks © 2022 FrogBox/Ent. One UK Ltd/Hasbro.