The newly created Metal Men battle a pre-historic monster.; Gorilla Grodd uses his powers to switch bodies with a gorilla in the Central City zoo and from there he uses Flash's greatest foes to battle Flash until he can take control of Barry Allen's mind.; A student's science fair project can predict the moves of the Weather Wizard and gives Flash an assist in stopping his latest crime spree.; The Thinker steal a time machine and plans to use it to rob banks but is stopped by the Flash and the inventor of the time machine.; Silver Mask, a boy singer, is being blackmailed by Harry who knows that he used to be part of a gang.; When two greedy business owners cut the Wasp out of his rightful share of his invention he decides to kill them.; Johnny Quick and Tubby visit a Paul Bunyan festival. When crooks rob the gate Johnny uses stunts similar to what Paul Bunyan would have done to capture them.