Synopsis

Professor Robinson’s calculations revealed a disturbing truth: the planets' orbital path would expose the spaceship to searing heat. Armed with this knowledge, the Robinsons departed in the chariot, heading south. Meanwhile, back at the Jupiter Two, Dr. Smith—who had remained behind, convinced of their deception—observed an unsettling anomaly in the orbit; it promised a cycle of intense cold followed by extreme heat. He dispatched the Robot to warn them, and they immediately attempted to return