A Whole New Gohan
Gohan arrives at the scene, and everyone is shocked at how much power he has. As Gohan begins pounding him, Buu steps up the intensity, but Gohan still has the upper hand. He is easily picking Buu apart.
Aired 03/05/1995EP 263 - A Whole New Gohan

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)