COLONEL: I'm going to find a way out. Could it have been Travers? JAMIE: To rescue the TARDIS! LABORATORY
(Watched by ANNE, the DOCTOR looks through a magnifying glass at the workings of the control sphere which TRAVERS had been working on.) Or the Yeti!
Plan: A: Travers; Q: Who is captured by the Yeti? A: a way; Q: What does the Doctor try to find to gain control of the robots? A: Lethbridge-Stewart; Q: Who tries to recover the TARDIS? Summary: With Travers having been captured by the Yeti, the Doctor attempts to find a way to gain control of the robots while Lethbridge-Stewart tries to recover the TARDIS.