In the village of Penguins, a monstrous dinosaur named Dodongadon emerged. Despite being small in stature like Arale, he lacked the strength that Arale possessed. Nevertheless, Arale effortlessly defeated him with ease. Feeling threatened by her victory, Dodongadon called upon his mother, Mamangadon, who was massive and powerful. Now, Arale must find a way to defeat this formidable foe.