A huge creature named Priszilla rises from the sea with a big dream: to smash a city and battle a robot, just like in the movies. But there's nothing like that in Pocoyo's world until Bea, Pocoyo, and their friends step in with creativity and imagination. They build an inflatable city and a robot for Priszilla to play with. But when the game gets out of hand can they balance helping a friend with protecting their world?