Dragon Ball Z Kai
The End of Snake Way! King Kai's Bizarre Test!
As the deadly Saiyan invaders approach Earth, Gohan makes slow, but steady, progress under the watchful eye of Piccolo, and Goku struggles with the "gravity" of his training under King Kai.
EP 7 The Battle with Ten-Times Gravity! Goku's Race Against the Clock!
To prove himself worthy of King Kai's training, Goku must test his mettle against a fleet-footed monkey and a powerful cricket that's big on respect. Meanwhile, in the land of the living, Gohan takes a beating from his monstrous master!