Goku learned Kaioken while preparing for the arrival of the Saiyans (in the anime, in Dragon Ball Z). As expected, since this is a technique created by North Kai, he learned it wh ...

Goku's transformation into Super Saiyan 4 in Dragon Ball GT is masterful on every level. The tension behind the conflict with Baby leading up to SSJ4 is palpable, the way it stems from love ...