The temperature. IAN and BARBARA look at each other with concern as a look of sorrow passes over the DOCTOR'S face. (They see the crashed spaceship down in the valley below.) Well, undoubtedly, we've landed on the planet Dido. (Laughs, then.) KOQUILLION: It is Koquillion!
Plan: A: the planet Dido; Q: Where did the Doctor, Ian and Barbara arrive on? A: the monsterKoquillion; Q: Who terrorizes the survivors of the crashed spaceship? A: Koquillion; Q: Who terrorizes the survivors of the crashed spaceship? A: the enemy; Q: Who may be closer than they think? Summary: The Doctor, Ian and Barbara arrive on the planet Dido where a crashed spaceship with the only two survivors are terrorized by the monsterKoquillion. But who is Koquillion? But the enemy may be closer then they think...