Tập 1951: Doi-sensei đi nhận gói hàng trong khi các ninja Dokuajirogasa tấn công ông

1951

Even as class time starts for the 1st-year Ha-class, Doi-sensei is nowhere to be found - he has gone on a sudden business trip to receive Tada Dōzen's package. Wanting the package, Dokuajirogasa ninjas attack Doi-sensei! (Source: Nintama Rantarou Wiki)