Goku has suffered plenty of losses in Dragon Ball, but his worst defeat in DBZ was actually a vital moment for the franchise.

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 ...

This puts Frieza's age in the 70s-80s during the Namek Saga ... who ordered Frieza to destroy Planet Vegeta. Goku had to turn into a Super Saiyan God in order to fight Beerus and give him enough ...