‘It’s all right,’ the Doctor said, ‘you don’t have to pretend to look surprised to see me. You knew I was coming, and I know that you knew I was coming. I wouldn’t have got this far if you lot hadn’t wanted me to. Which is an encouraging sign. It indicates that you’re willing to talk, or at least that you’re naturally curious about me, which is almost as good. Unless you just want to kill me, of course – which isn’t so good. Well, not for me anyway. But I’m willing to take that risk. I mean you’re an intelligent bunch. You wouldn’t just bump someone off for the hell of it. Er. . . would you?’