Une sacrée surprise

Just before the blast hits Goku, Kibito Kai appears and pulls him out of the way. But just as he makes his inter-dimensional shift, he is hit by the blast's shockwave, and accidentally drops Goku in a mysterious dimension. Neither Baby nor the others saw any of this happen. Goku meets a strange man named Sugoro, who challenges him to a life-sized board game. If Goku wins the game, he gets to keep his life and return to Earth, but if he loses, he must give up his life. To make matters worse, Goku is stripped of all of his powers, as they are "against the rules". They begin to play a game of chance, and Goku always seems to have bad luck, unlike Sugoro, who never has anything bad happen to him. This is because he cheats while Goku isn't looking. Back on Earth, Dende gives Baby the Black Star Dragon Balls, and he wishes for the Tuffle home planet to be restored in orbit around the Earth. He then gathers all of the Tuffles on Earth, and they begin to board a giant spaceship that will take them there. (Source: Wikipedia)