Dragon Ball Z: Dragon Box

Season 1 | Episode 6 - Even Yama-sama is Surprised -- The Fight Continues in the Next World

Jun 7, 1989

Kami-sama brings Goku before the Great King Yama, where he obtains permission to train under Kaio-sama, who reigns over all the other Kami throughout the universe. Goku starts running down the Serpentine Road, which was said to be a million kilometers long, headed towards Kaio's World. Meanwhile, Piccolo leaves with Gohan, who is still unconscious, saying that he will test Gohan's latent abilities to prepare him as a warrior to face the Saiyan's in one year's time.