第2145話: 教師と忍者が手紙を届けるため手を組み、ソナンモンが学園を調査する

2145

Teachers and nintama form teams to deliver letters to different castles. Among those letters, only one is a real secret message. Sonnamon follows the nintama to uncover the intentions of the Ninjutsu Academy. There, enemy ninjas appear, searching for the secret message. (Source: Nintama Rantarou Wiki)