DOCTOR: Amazing. 1941. Right now, not very far from here, the German war machine is rolling up the map of Europe. Country after country, falling like dominoes. Nothing can stop it. Nothing. Until one, tiny, damp little island says no. No. Not here. A mouse in front of a lion. You're amazing, the lot of you. Don't know what you do to Hitler, but you frighten the hell out of me. Off you go then do what you've got to do. Save the world.