Double bill of adventures with the metal-winged, pint-sized crimebuster and his partner Karate. Crime College: Hugo A Go Go starts a school for underworld undergraduates. Hugo tells his students to rob a police station, but when Batfink arrives, the crooks escape into a waiting bus. The Chocolate Covered Diamond: Two crooks steal a diamond and Batfink is called in after the gem falls into a chocolate factory.