(The DALEK starts to rise upwards.) CODAL: Yes...yes, I think it would wipe them out. SPIRIDON: Take him to the Daleks... The DOCTOR and JO walk into the plain, followed by the Thals.
Plan: A: the Dalek base; Q: What do the Doctor and his friends escape from? A: the Daleks; Q: Who devises a plan to wipe out the Doctor and his friends? Summary: The Doctor and his friends escape from the Dalek base, prompting the Daleks to devise a plan to wipe them out.