Yes, Goku turned into a super saiyan 4 when he was fighting Baby Vegeta in Dragoball GT
Gogeta, the fusion of super saiyan 4 Goku and Vegeta.
yes
Goku does not turn super saiyan 6 or 5 in fact. and it only goes up to super saiyan 3 in the manga and super saiyan 4 in the cartoon.
it has to be super saiyan 4 Goku but even better is super saiyan 4 Gogeta (fusion of Goku and Vegeta as super saiyan 4) even though it is a fusion they are still transformed saiyans.
Super Saiyan 4 because that is the highest Super Saiyan level in the Dragon Ball official franchise.it is super saiyan 4 when kid goku turns gold ape then gets conscience and turns super saiyan 4
It's not a movie. In Dragon Ball GT, Goku turns super saiyan 4 at the end of season 1 and the beginning of season 2, when he was versing Baby. He remembered his "human" family, changing from the mighty ozaru to super saiyan 4.
Goku can go up to Super Saiyan 4 there is no DB AF.
There is no Super Saiyan 5 it is limited to 4.
4
Goku Got mad of Not beating Omega Shenron, And Goku Turns Super Saiyan 4 Because he gets mad.
Goku.
No, he only reaches super saiyan.