While Monaka delivers a package to Bulma, Goten and Trunks sneak into his delivery truck and are accidentally taken to Planet Potofu. A group of space bandits, headed by a teal humanoid Grill (グリル Guriru), attempt to steal a key to an item called the Superhuman Water (超人水 Chōjin Mizu) from an elder named Potaji (ポタジ). The bandits succeed and are absorbed and cloned by the purple viscous liquid. At Bulma’s request, Vegeta and Jaco arrive on the planet to search for the children. Shortly after they arrive, the liquid absorbs and clones Vegeta.