Defying Orders
Back on Earth, Gokus is sufferning from an illness, but a magic Senzu bean offers a full recover. When Goku hears about the trouble on Namek, he jumps into his old spaceship, rebuilt by Bulma's father Dr. Briefs. On Namek, Krillin and Gohan witness Frieza's power and learn that he has collected four Dragon Balls!
Aired 02/05/1990EP 46 - Defying Orders
1989
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)