In his first screen appearance, the Caped Crusader of Gotham City (belying the lethargic facade of his alter ego Bruce Wayne) battles Dr. Daka, Japanese mastermind of a wartime espionage-sabotage group. Daka has a radium-powered death ray that pulverizes walls, a classic alligator pit to dispose of enemies, and can turn men into electronic zombies who do his bidding and transmit video signals to Daka's lab! Batman has no Batmobile, but there are bats in the Bat Cave...