Dragon Ball (1986)

Season 1: Episode 62

After going to retrieve the Four-Star Ball that Karin-sama dropped, Goku makes the round trip up Karin Tower in three hours, even though it took him an entire day when he first climbed up! Furthermore, Goku copies the sleeping Karin-sama‘s breathing and movement during the night, and is then able to read Karin-sama‘s movements and finally obtain the jar of Super Sacred Water. But it contains ordinary water?! It turns out that the act of obtaining the jar was itself training that increased his power many times over!! At that time, having obtained brand new clothes, Tao Pai-pai sets out for the holy land once again.