Arrival of Raditz (The New Threat) - DragonBall Z
Five years have past since Piccolo to take over the world, which thanks to Goku was saved and in the world was lived peacefully for five years. But a new space shuttle landed in the earth, and in the shuttle was the new threat of name Reditz. The arrival of Raditz to planet earth is the new threat.
Raditz is the big brother of Goku (Kakarot). With Raditz arrival to earth Goku also gets to know more about his people (the saiyan warriors) and why he was sent to earth. Raditz wants his younger brother to join him and his friends to conquest other planets and sale them. It was obvious for Goky that his people were space pirates.
Goky refuses his older brothers, Reditz's, proposal to join him and his team to conquest new planets and re-create their nation but then Reditz takes Goku's son, Gohan.
