Arale vs. Blue Dragon Ball: Doragon bôru : Season 1 Episode 57

Dr. Senbe’s eldest son Turbo-kun fixes the Dragon Radar. Blue then appears, takes Arale as a hostage, and steals the Dragon Radar, using his physic powers to immobilize Goku!! At this time, Arale uses amazing power to send Blue flying!! However, even though the Dragon Balls are returned, the Dragon Radar was sent flying along with Blue. Goku receives a newly made Dragon Radar from Turbo, and leaves Penguin Village behind.