BONUS - World's Finest On the Air (Adventures of Superman)

Holy team-up! To celebrate Batman Day, here's a radio adventure that unites the Caped Crusader and Robin, the Boy Wonder, with Superman. We'll hear the heroes join forces in the first eight chapters of "The Secret of Meteor Island" (originally aired on Mutual between June 14 and June 23, 1948). Stay tuned later this week for the final chapters of this thrilling super story!