Character(s):
Batman [Bruce Wayne]; Robin [Dick Grayson]; Professor Hale (museum curator, death); Albert Linke (museum taxidermist); Mario Hazzara; John Logan (master electrician); Mr. X [Carl Danton] (villain, introduction); Fingers Nolan (villain, introduction)
Synopsis:
Responding to an urgent call from Professor Hale at the Mechanical Museum of Natural History, Batman and Robin arrive only to find the professor has apparently died at the "hands" of one of the mechanical dinosaurs on exhibit. When they examine the body more closely, they discover the dead man has left them a clue to his killer!
Character(s):
Martian Manhunter [John Jones; J'onn J'onzz]; Captain Harding (supporting); Horace Stone (intro, villain); John Blake; Adventurers' Club; Roger Drews; Ben Troy; Larry Hart
Synopsis:
Jones has to find a witness to save a friend from a murder charge.