Are you searching for her? DOCTOR: No. DOCTOR: Standing by? It's got to be something to do with the sixth and most important segment of the Key to Time, hmm? MARSHAL: In the middle of a nuclear war? MERAK: Zeos is there all right. ROMANA: Atrios and Zeos. ROMANA: The TARDIS! The twin planets on the edge of the helical galaxy.
Plan: A: Time; Q: What is the final segment of the Key To? A: the TARDIS; Q: What do the Doctor and Romana land on the world of Atrios? A: neighboring planet Zeos; Q: Who is Atrios at war with? A: a missile attack; Q: What did the Doctor and Romana avoid before landing on Atrios? A: the Doctor and Time Lady Romana; Q: Who are mistaken for spys by the Marshall? Summary: In their search for the final segment of the 'Key To Time', the Doctor and Romana land the TARDIS on the world of Atrios who is at war with it's neighboring planet Zeos. Upon avoiding a missile attack right before landing, the Doctor and Time Lady Romana are then mistaken for spys from Zeos by the Marshall.