Ep. 1913: Not Enough Training

1913

Rantarou and the others find Hanabusa Makinosuke meditating under the waterfall. Having heard Makinosuke has been training seriously for once, and despite saying he doesn't care about it, Tobe sensei gives himself a cold bath training in the middle of the night and ends up with a fever... (Source: Nintama Rantarou Wiki)