In "The Phantom Creeps" Episode 6, titled "The Iron Monster," the malevolent Dr. Zorka unveils a colossal threat—a giant robot with destructive capabilities. Zorka's insidious plan to unleash the Iron Monster on society escalates the danger faced by government agents and journalist Jean Drew. As the metallic behemoth wreaks havoc, the pursuit becomes more perilous and the stakes higher. Intense battles unfold as Zorka's technological monstrosity poses a formidable challenge. The episode encapsulates the suspense and action characteristic of this classic 1939 serial, leaving audiences eagerly anticipating the next chapter in the ongoing struggle against Zorka's reign of terror.