Vegeta mentions that for the next battle between him and Goku, they are going to need a whole planet to fight on. This foreshadows the events of the Baby Saga in Dragon Ball GT: Doragon bôru jîtî
(1996), where Goku and Vegeta actually fought each other on Planet Tuffle. See more
Young Uub has been taken in by the greatest martial arts master in the universe, Goku, the orphan who fell from the stars to become the savior of mankind... As the two set off on a new adventure, one thing is for certain: as long as Goku lives, peace and prosperity, shall reign...