Today, the Postfish has brought a very special message in a bottle: an invitation to the great Bubble World Championship. For Cuddly Fin and his friends, it's clear - they have to participate! An idea is quickly found; they want to build a mango bubble machine. But will they be able to compete against the competition? After all, the Giant Fart Fish from Sand Bay, the crazy Bubble Shell from Reef Kingdom, the evil Bubble Beetle from Cliff Land, and the Sea Bubble Ballet from New Swan Land have also announced their participation...