In the version that is shown on YTV in Canada, the story begins mid-way through the Dragon Ball Z series. Raditz, Goku's brother has traveled to Earth to find moxia.cc out why Goku has not yet destroyed the planet as he was supposed to do. But while as a baby, Goku was dropped (down a huge cliff) and forgot his real mission. Kakarot, Goku's real name battles his brother Raditzs... (展开全部)