(The DOCTOR sits back in his chair, considering for a moment.) (They laugh. After several detours. IRONGRON: To find the star before some knave robs me of it! LINX: Then give him to me. The DOCTOR and the BRIGADIER follow him.
Plan: A: The Brigadier; Q: Who asks the Doctor to investigate the disappearance of several scientists? Summary: The Brigadier asks the Doctor to investigate the disappearance of several scientists, only for him to find they have been abducted back in time.