Batman [Bruce Wayne]; Robin [Dick Grayson]; Commissioner James Gordon; "Brains" Hobson (villain); Nails (villain); Hanley (villain); Professor Duvlik (villain); Bowers (villain); Ed Finn (photographer)
Synopsis
Condemned crime boss "Brains" Hobson vows to return after being executed in the electric chair. Soon after, Hobson's body disappears and his gang is gathered to find that his brain has been transplanted into a special tank and is still capable of giving orders and planning crimes.