S1, E16: Identical twins, the Von Klaven brothers, steal a million dollar core of radium from the U.S. Medical Corps in Germany and transport it to the United States during the Superman adventure, "Double Trouble." When one brother is murdered and the radium is stolen, Clark Kent as Superman cracks open the case and brings the remaining brother to justice.
Action · 26 déc. 1952 · 25 min