蝙蝠侠与罗宾突然收到一个情报，得悉一名大人物正身陷险境，他们正欲展开拯救行动。岂料这原来是小丑、猫女、企鹅、谜语人四名超级份子合作布下的局，他们打算利用仪器把全人类变做灰尘，继而统治全世界！全人类的性命悬于一线，蝙蝠侠与罗宾决定伸张正义，儆恶惩奸，击退坏份子。然而面对天下最聪明的四大坏蛋连手，要粉碎这计谋真是谈何容易……

Former Gotham City District Attorney Harvey Dent, one side of his face scarred by acid, goes on a crime spree based on the number '2'. All of his actions are decided by the flip of a defaced, two-headed silver dollar.

Spun-off from Batman (1966)