Friends or Foes?
Gohan joins Bulma and Krillin as they head to Planet Namek in search of the Dragon Balls. What begins as a mundane trip becomes chaotic when they encounter a bizarre situation in the emptiness of space. Finding themselves on some type of space station, they set out on foot to find their escape.
Aired 07/03/1990EP 39 - Friends or Foes?

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)