Tập 42: Các nhân vật nhí khám phá cơ sở cải tạo địa hình, gặp gỡ robot và tìm hiểu lịch sử bi thảm của hành tinh từ Survive.

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The children enter the terraforming machine, leaving Sharla behind to look after Adam. Inside, Luna finds a stairway leading deeper, where they are attacked by a large humanoid robot, which Chako identifies as a maintenance robot. They defeat it when Kaoru plunges his knife into its head. The strange voice which Luna heard earlier speaks to Luna through the robot. It identifies itself as the main computer that manages the terraforming machines, Survive. With Luna translating for the other children, Survive recounts the history of the planet. A thousand years ago it was inhabited a people with a high level of technology, but environmental catastrophes were making it uninhabitable - things such as ozone depletion, pollution, and large-scale tectonic events. The majority of the people built a huge fleet of ships and escaped into space, but some of them remained behind and built terraforming machines to revitalize the planet, creating Survive - who was built into a spaceship - to help manage it. As they began to work, they realized that it would take a thousand years for the planet to return to normal, and sent a message to those who left to let them know. At the same time, Survive came to the conclusion that the people were the cause of the damage to the planet, and in order to protect the planet, it had to kill the people. It released a virus-type nanomachine which caused all of the people to die. The children question among themselves whether it's possible for people to coexist peacefully with the environment, but are unable to reach a satisfactory conclusion. They find the terraforming machine's medical lab and create a cure for Adam, taking a copy with them in a hand scanner. With Adam cured, they head for the main terraforming machine, and the spaceship that they now know is there. (Source: Wikipedia)