第 1737 集: 蘭太郎得知針對深受愛戴的校長的暗殺陰謀
2013年7月11日 播出
1737
Rantarou heard the assassination plan of Happousai! Eventhough Happousi is enemy of Ninjutsu Academy, he is the beloved headmaster for Dokutama. So Rantarou plans to secretly tell the plan to them. (Source: Nintama Rantarou Wiki)