The End of Snake Way
Gohan continues his martial arts training under the watchful eye of Piccolo, but a strange transformation takes him over. A full moon causes the young Saiyan to rampage out of control! Meanwhile Goku finally makes it to the end of Snake Way and mistakes a friendly ape named Bubbles for the mythical King Kai. With two of our heroes going bananas it looks like the two sinister Saiyans will have an easy time invading Earth!
Aired 06/09/1989EP 18 - The End of Snake Way
Dragon Ball Z
Goku is back with his new son, Gohan, but just when things are getting settled down, the adventures continue. Whether he is facing enemies such as Freeza, Cell, or Boo, Goku is proven to be an elite of his own and discovers his race, Saiyan. He meets many new people, gaining allies as well as enemies, as he still finds time to raise a family and be the happy-go-lucky Saiyan he is.
(Source: Anime News Network)