(POLLY comes over with a big container of the liquid.) (The Cybermen's chest units begin to dissolve. CYBER 1: We are going to take over the Gravitron and use it to destroy the surface of the Earth by changing the weather. Get back! JAMIE: Right. POLLY: Ben?
Plan: A: Moonbase; Q: Where do the Cybermen take over? A: Earth; Q: What planet do the Cybermen attack with the Gravitron? A: a way; Q: What do Polly, Ben and Jamie come up with to fight back? Summary: The Cybermen take over the Moonbase and begin using the Gravitron to attack Earth but Polly, Ben and Jamie come up with a way to fight back.