Episode 6: A Riddle a Day Keeps the Riddler Away/When the Rat's Away, the Mice Will Play

Summary: King Boris' visit to the United States is interrupted by an exploding bouquet of flowers that hide a riddle inside, the calling card of the Riddler.  What is his scheme?  Can Batman and Robin figure it out before an international incident can occur? Joining John to figure out the Riddler's clues is author, musician, and podcaster Keith R.A. DeCandido.