"Hunt for Mr. 50!"Edit
Batman and Robin go to Hawaii on the trail of a smuggling kingpin known only as Mister 50.
"The Tiniest Villain in the World!"Edit
Batman and Robin battle a crook who has used a scientist’s shrinking ray to make him the size of a toy doll.
"The Son of the Joker!"Edit
In his third tale of the fictional second Batman and Robin team, Alfred Pennyworth writes of their encounter with the Joker and a criminal who poses as the Joker’s “son”.