In these classic adventures from January 27, 1963 until the series conclusion on May 1, 1966 the impish Mr. Mxyzptlk returns from the Fifth Dimension to exasperate the Man of Steel;; Superman becomes Super-Cop to outwit a master spy when Metropolis's entire police force is disabled; tries to help a planet of blind people regain their sight, but loses his own powers in the process; fights it out with his arch enemy Lex Luthor on an alien planet where Luthor is the hero and Superman a villain; competes in the Interplanetary Olympics against a field in which everyone has super-powers; travels back in time with Loisri Lane; is reunited with the mermaid Lois Lemaris; and more!