After Gohan's recovery of the latest incident, he continues his training. Meanwhile, Goku has arrived at the end of the snake road, meeting King Kai. He realizes that the gravity of King Kai's planet is 10 times that of planet Earth, thus he needs to get used to it. In order for Goku to train under King Kai's teachings, he must attempt to make the Master laugh. After Goku's accomplishment of making him laugh, King Kai tells him to catch his monkey, Bubbles. Having Bubbles run around the planet, Goku must run on the planet with 10 times his weight.