(The Doctor adjusts the device.) (The scientist stirs.) DOCTOR: I was going to preset this osmic projector and send these people back to their own time, but now I have to find a way of stalling Irongron. IRONGRON'S CASTLE. LINX'S WORKSHOP
(Linx is in his spaceship.
Plan: A: the scientists; Q: Who does the Doctor try to return to their own time? A: Linx; Q: Who tries to use his spaceship to destroy the entire castle? Summary: The Doctor attempts to return the scientists to their own time, before Linx tries to use his spaceship and destroys the entire castle.