Goku, Bulma and Kuririn find a pirate's dungeon under the sea and enter to find the Dragon Ball. Goku encounters a pirate robot and a giant octopus, but General Blue confuses him with false information separating him from his friends. After destroying its traps, they are attacked by General Blue, who wants to steal the treasure from the dungeon. As they fight, the dungeon starts collapsing and they escape. Goku finds a Dragon Ball, but as they return to Kame-Sen'nin's, General Blue steals the Ball and Goku follows him. At some point, Goku and Blue appear in Penguin Village from the Dr. Slump series. As Goku loses Blue, he meets a girl robot Arale, who takes him with her creator to repair the radar which has been broken again. Blue steals the radar but he is then easily defeated by Arale. Goku is given a new radar and goes to Karin Sanctuary where the next Ball is located. However, two Native Americans, Bora (ボラ) and Upa (ウパ), already have the ball.