Colonel K has had his people create robot duplicates of Dangermouse and Penfold, so he can team the actual DM with Robot Penfold and vice versa, in order to be able to stop more crime at the same time. The real Dangermouse and the fake Penfold are send to meet master of disguise Agent 57 at the Pinball Palace, where arch villain Baron Greenback is hatching a scheme to hypnotize the world by way of pinball machines.