(Nyssa suddenly calms down and seems to be able to breathe again.) CAPTAIN STAPLEY: The Doctor's theory is... Where is the Doctor? DOCTOR: Be quiet! DOCTOR: It's simply a form of psychokinesis. Kalid! PROFESSOR HAYTER: TARDIS? Who are you?
Plan: A: The Doctor's Tardis vanishes; Q: What happens to the Doctor's Tardis? A: "Kalid; Q: What is the name of the being that the Doctor encounters while tracking down the Tardis? A: events; Q: What does Kalid control? Summary: The Doctor's Tardis vanishes, while tracking it down the Doctor encounters a strange being named "Kalid" who seems to be in control of events.