: Upon landing on the tiny, high-gravity planet, Goku famously mistakes Bubbles the monkey for the legendary King Kai.
You can find this episode and detailed guides on official and community sites like: Dragon Ball Z Episode 18
: He discovers the Attack Ball (space pod) that originally brought Goku to Earth. The pod projects a holographic image of the full moon to help a young Saiyan conquer their target planet. : Upon landing on the tiny, high-gravity planet,
: Goku discovers that King Kai's planet has gravity 10 times stronger than Earth's, making it difficult for him even to stand initially. Gohan’s Second Transformation : Upon landing on the tiny
: While training in the wilderness, Gohan's tail regrows.