Can't survive on a new planet with a soul full of hope and fresh air, you know. Come in, please. DOCTOR: Solid rock? Doctor, where are you? Energy. HERRICK: Hey, who are you? IDMON: And the Seers to the Oracle. Slaves to the Oracle. Stand by for fumigation. Stand by for impact. The planet formed around it. Trogs always work harder after a good sacrifice.
Plan: A: the Doctor; Q: Who crashes inside a newly formed planet? A: a slave labor mining society; Q: What type of society is on the newly formed planet? A: rocks; Q: What is harvested for their radioactive energy? A: little value; Q: What is the value of human life on the planet? A: a population; Q: What is controlled by deliberate cave-ins, poison gas, and periodic sacrifices to an Oracle? A: Trogs; Q: What are the miners called? A: descendants; Q: What are the Trogs from Minyos? A: freedom; Q: What do the Trogs want? Summary: Crashing inside a newly formed planet, the Doctor and others find it inhabited by a slave labor mining society, where rocks are harvested for their radioactive energy and human life has little value. With a population controlled by deliberate cave-ins, poison gas, and periodic sacrifices to an Oracle, the miners, called Trogs, are also descendants from Minyos, and who desperately desire freedom.