Dragon Ball Z S01E12 - Global Training

Catnap on the Serpent Road — Goku Takes a Tumble

Despite being followed around by Lunch, Tenshinhan continues his training with Chiaotzu at a waterfall deep in the mountains. After hearing the story of Krillin and Bulma, he decides to undergo training from Kami. At the same time, Goku has finally made it halfway down the Snake Path.