Nintama Rantarou: Saraba Ninjutsu Gakuen no Dan

忍たま乱太郎 さらば 忍術学園 の段

The story

Rantarou misunderstands an overheard comment from the Headmaster and leaves Ninjutsu Academy in shock. At the same time, the Dokutake Castle ninja team is once again up to no good... This special celebrates the 25th anniversary of the anime.