Strange Visitor Dragon Ball: Doragon bôru : Season 1 Episode 56

Arale, the girl Goku meets in Penguin Village, is a mysterious young girl who can run at super speed, and even ride the Kinto'un. The village’s police force, consisting of Taro and the others, attempt to capture Blue of the Red Ribbon Army, but they can’t scratch him! The Dragan Radar is malfunctioning, and Goku cannot pinpoint the position of the Dragon Balls. At a loss, Goku takes Arale’s advice and visits Dr. Senbe, who just might be able to fix the Dragon Radar!!