With the Galaxy High celebrating the Christmas holidays, Principal Kirkpatrick is angry because Josh played a prank with putting all of his pictures in one box. For punishment he sends Josh to patrol with Yoko and Brett. When Josh, Yoko and Brett take a wrong turn on a routine patrol and suddenly find themselves lost in unfamiliar space territory, they're quickly ambushed and captured by an IAC—an Intergalactic Alien Catcher. And, before they know what hit them, they're locked up in the cosmic version of a dog pound (along with a bevy of other funky alien creatures)!