Professor Senbei finds a videotape of his deceased father providing instructions on how to create a love potion. The main ingredient is a tear of the evil Gyaasuka Daimao who lives at the Wonder Island. To retrieve it, Senbei takes Arale and Gatchan on a wacky adventure.

Dr. Slump and Arale-chan: Hello! Wonder Island is continuing, but new episodes have not been scheduled yet. Track it to get notified the moment they are.