Toubousha Arale! Gacchan wo Sukue

Wanted by the police for diamond theft, Senbei, Arale, Midori, and the Gorillas disguise themselves and flee to Akane's café. However, since they still need to rescue Gatchan from the pirate Nashibaba, Senbei decides to turn himself in, hoping that the cops will believe his story and help him search for Gatchan.