After heading off to a duel with the Tasogaredoki ninja, Moroizumi Sonnamon, Mr. Doi has gone missing. While Yamada and the sixth graders begin searching for Mr. Doi, the Tasogaredoki ninja squad leader, Zado Konnamon, and Sonnamon take the podium in the absence of their homeroom teacher in class 1! Meanwhile, Kirimaru accidentally finds out about the situation Mr. Doi is in. Meanwhile, while the sixth graders are searching for Mr. Doi, Amagi, the cold-hearted strategist of the Dokutake Ninja Squad, suddenly appears in front of them. His face is the spitting image of Mr. Doi.
高山みなみ
as Rantarō Inadera (voice)
田中真弓
as Kirimaru Settsuno (voice)
一龍斎貞友
as Shinbei Fukutomi (voice)
関俊彦
as Hansuke Doi (voice)
小田敏充
as Heisuke Kukuchi (voice)
渋谷茂
as Kanemon Ohana (voice)
金丸淳一
as Raizo Fuwa (voice)
山崎たくみ
as Saburō Hachiya (voice)
東 龍一
as Hachizaemon Takeya (voice)
間宮康弘
as Happōsai Hieta (voice)
森久保祥太郎
as Konnamon Zatto (voice)
代永翼
as Sonnamon Moroizumi (voice)
