Because they stopped at Super Saiyan 4 (which in my opinion was ridiculous because Goku looked nothing like a super saiyan).
Going SSJ 5 would probably be a terrible idea and the makers decided not to do it.
Goku can go Super Sayian Stage 1, Then Ascended Super Sayian or Above Super Sayian Stage 2 but below Super Sayian 2 Stage 3, Stage 4 is Super Sayian 3, Stage 5 is Super Sayian 4!
goku went ssj 3 5,799 times
GOKU if you have trouble believing it then go to DBZ.tv and watch it for yourself.
No, there is no Super Saiyan 5. It is not even a dragon ball. It was mentioned in GT in a conversation between Bulma and Vegeta, but it was never achieved.
Yes Goku is stronger than Pikkon as you remember they were only true equals during the end of the cell games saga . Were Pikkon was only able to go toe to toe with Goku in his super sayian form . Both were equal but overall goku seemed to be the greater fighter even after their fight . Now at the end of the Kid Buu saga goku managed to reveal that he surpassed gohan at super sayian 2 when he revealed his super sayian 2 tranformation , and should have definitly proved it when he turned into super sayian 3 . So if Goku could beat Pikkon in his normal Super sayian transformation what gives you a chance he can beat him in super sayian 3 . I would just overkilled the answer and said that Goku SS4 in GT . But sadly its not official it is all OVA . But Goku by the end of the kid buu saga he reaches super sayian 3 which clearly is multiple times stronger than his super sayian transformation .
THAT isn't even a fair fight goku can destroy planets REALLY?????? goku doesnt need to go super sayian to defeat luffy> :D
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Yes, They did go ascend super sayian but they didn't go ultra super sayian because ultra super sayian slow them down and they don't want any thing slow them down against Broly, The ultra super sayian surpass legendary super sayian the ultra super sayian is stronger but they are slow if they goes ultra super sayian they will make a challenge, if Gohan goes super sayian 2 he will kill Broly and make sure he don't survive.
when the dragon ball went inside goku that means he is the new guardian of the dragon balls and he became stronger because the dragon balls has sheron power maybe he can turn to a super sayian 5.
The saga was the android saga because he was preparing for the androids and he was training at over 400 times earth gravity and achieved it in space once he didn't care about goku,super sayian,or any of the androids he just wanted to get stronger then he did it so he used it to defeat number 19 easily.
Goku would kick his ass, he can just do a spirit bomb and there u go, its over, he doesnt even have to turn super sayain, plus naruto is a little bitch Naaaaaah, Goku wouldn't kick his ass, he would find a way to stop him without kicking his ass
In the Majin Buu Saga after Buu was resurrected. When Vegeta was in the heavens after he died, he saw Goku go SS3 and accused Goku of mocking him with that transformation. In case you were looking for the episode number it was episode 245