When a spaceship crashes to Earth and reveals a group of quirky little space aliens on the run for their lives, the "GadgetGang" kids-Gus, Phoebe, Francesco, Mitsue, Mary Ann, Banana and Tank-soon discover this won't be the boring weekend they had expected. They soon learn that in a point far from the galaxy, an evil warlord named Gana Golber has seized control of the Confederation of Planets and now all of the planets are in danger-including Earth!

Lino works as an entertainer at children's parties, but he can't stand the way children treat him, making fun of him because he works in a cat's costume. Determined to change his life, he visits a wizard, but the magic doesn't work in the right way, and he wakes up as a big cat.