Goku’s Super Saiyan 4 transformation in Dragon Ball GT had to be in adult form because it was the strongest form and Toei wanted visual impact.

Zarbon is one of the two highest-ranking members of ... his potential would increase his power even further. Which form is stronger? Super Saiyan 3 Goku or Mystic Gohan? Collected evidence has ...

From the time Goku first became a Super Saiyan in the Namek Saga to the arrival of the sagas such as Kaioken Form and, more recently, God Form and Ultra Instinct, each of the forms has contributed ...