Through some harmless playacting, Dr. Smith unintentionally conjures up the magical gauntlets and war hammer of the Norse god Thor. Taking him for a mighty warrior, Brynhilda spirits Smith off to Asgard for a showdown with Thor.
Just hours before the Jupiter 2 is to lift off to take advantage of a rare launch window, Dr. Smith discovers a cave inhabited by three devices -- part beings, part machines -- that are the last living remnants of the once mighty civilization of Draconis. As T minus zero draws near, Dr. Smith increasingly falls under the influence of the Draconians.
Will is reunited with his friend Captain Tucker in this sequel to "The Sky Pirate." Tucker and his very motley crew -- lizardman Deek, hairy humanoid Smeek, and bipedal bison Izralim -- are searcing for a legendary lost treasure. The key to finding the booty might be a disembodied talking head in a box that is harrying Dr. Smith.
In the second of two sequels to "The Android Machine," Verda is sheltered by the Robinsons after she is marked for destruction by the Celestrial Department Store. To that end, the store has dispatched a killer android named IDAK (Instant Destroyer And Killer) Alpha 12.
While John and Maureen are away observing volcanic activity, the alien scientist Lemnoc captures Don, Judy, Penny, and Dr. Smith and replaces them with android duplicates. Lemnoc then forces Will and the Robot to train the duplicates in survival skills, hoping that they will be an inspiration to his own people, who are losing the will to live.
The planet is invaded by an army of tiny robots who closely resemble the Robinson's robot and acclaim him as their long predicted king. The Robot agrees to become their king, but when he is not the ruthless ruler they expected, they decide that he needs some Dr. Smith in him.
John Robinson and Don West are transported onto a strange new world where their evil opposites exist and plan to change places with them. Will, The Robot and a reluctant Dr. Smith set out to find and help the real Don and John only to be pursued by a evil John Robinson.