劇情:

來自忍者世家的亂太郎，是忍術學校的一年級新生，希望有朝一日達成父母的期許，成為厲害的忍者。他在學校結識了好友新兵衛和霧丸，三人一起度過充滿爆笑和淚水的求學日子，直到發現有刺客想暗殺美髮師齊藤幸隆和高年級同學齊藤鷹丸。為了朋友安危，亂太郎一行人決定和壞忍者決鬥，進行一場偉大的搭救計畫。只有初等程度的他們，是否能順利完成任務呢?

Synopsis:

The story revolves around the adventures (and misadventures!) of the “Ninja Eggs” gang, Rantaro, Kirimaru, and Shinbei. They are the first grade students of the Ninja Academy, who aspire to be elite ninjas, along with their unusual group of “Class Ha” classmates. Their teachers and senior grade ninjas also take part in their adventures as do their mortal enemies from the rival Ninja group of Dokutake - Poison Mushroom Castle.