Defying Gravity
Gohan's training with Piccolo continues to intensify, but it's Goku who faces the biggest challenge. Goku begins his training, but it is unlike anything he's ever experienced before. The intense gravity of King Kai's planet makes training difficult, but when he learns that the Saiyans are used to extreme fighting conditions, Goku is inspired to give it his all. But will it be enough?
Aired 13/09/1989EP 19 - Defying Gravity
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)