The series all starts off when Goku goes to Master Roshi's island for a visit, since he hadn't seen his friends in years. They were planning on having sort of a reunion. The only ones who are there is Krillin, Bulma, and Master Roshi. Goku comes in and brings along a little guy that looks a bit like Goku when he was smaller. Goku tells them that it is his and Chi-Chi's son. His name is Gohan. Just as he is being presented to Goku's friends a human like alien by the name of Raditz appears. He tells them all that he is Goku's older brother, and that he comes from another planet called Planet Vegeta. He tells them all that he had come back to check up on his brother. Everyone is suprised and Goku tells him that he doesn't remember anything. This is when we find out that Goku fell on a mountain side when he was small, and suffered from amnesia (when you don't remember stuff that happened earlier in your life). He had forgotten his mission of destroy all of the inhabitants of Earth. Raditz asks Goku what happened to his tail, and Goku tells him that it had been cut off for good. Radditz gets enraged and tells Goku that the tail is the key to their true power. Raditz explains that they come from a race of warriors, a race by the name of Saiyan, and when they see the full moon they can turn into a giant monkey called Oozaru. This is when Goku first finds out that it was he, Goku, that had killed his grandfather many years ago.

  Goku gets angry and attacks Radditz, but Radditz shows to be a lot stronger than Goku and knocks him out in one hit. Radditz notices that Gohan has a tail and so learns that it is Goku's son. He takes him hostage and leaves. Just as he leaves Piccolo comes in! Everyone is surprised at the arrival of Piccolo. Piccolo explains that Goku will not be able to defeat Radditz, not alone. This is when an alliance forms between Goku and Piccolo. They agree to work together to finish Radditz off. Piccolo explains that he is not doing this to rescue Gohan, but because Radditz is coming between Piccolo's plans of conquering the world.

  Goku and Piccolo have no trouble finding them since Gohan had a dragonball on his hat. They followed them with the Dragon Radar (remember it form Dragonball). They arrive to find Gohan trapped crying in Radditz's spaceship. They must first fight Radditz to get Gohan so they do this. At first it looks really bad for Goku. Gohan is still trapped in the space ship and with a rage of anger his power level increases tremendously. He manages to break the spaceship and goes directly for Radditz and head butts him, which causes Radditz's armor to break, but Radditz then pushes Gohan away. Everyone is surprised at Gohan's high power level. Piccolo and Goku are still fighting and then Goku is able to get hold of Radditz's tail. Then he gets Radditz into a headlock and tells Piccolo to do his finishing attack, which goes through Radditz and Goku as well.

  Radditz asks why Goku sacrified his life just to destroy him, Piccolo explains to him that he can easily be revived by the Dragon Balls. Radditz explains to Piccolo that everything that he just told him was also told to Radditz's fellow Sayans, the last of the Saiyans, and that they were going to come to Earth to finish them off and find the Dragonballs within a year and that they are a lot stronger than he. Then Radditz dies. Goku dies as well.





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Radditz Saga                Vegeta Saga                  Freeza Saga                  Androids/Cell Saga
      
                                                         Buu Saga