Plot: AIR MARSHAL KRAGG orders the Kane Ship entering the "Hidden City", crushed in the outer gates, only to find the crew to be Buck, Wilma and Buddy, who used the ship to escape from Saturn. BUCK informs Kragg and Doctor Huer of Laska's treachery by inciting the Saturnians into believing the "Hidden City" people were revolutionaries plotting against benevolent "Killer Kane"