“ why’s it making that noise? ” susan does not look up for a moment, instead working to correct whatever it is that has caused the console to begin beeping in a very odd and very annoying way. susan has always had trouble when attempting to fly the tardis ( of course, neither she nor the doctor expected it to be easy without a full crew ), though she’s never encountered this specific problem before. “ do you think it’s some sort of warning, grandfather? ” she asks once eyes are lifted from the buttons to meet the doctor’s, the faintest traces of worry present in tone which is otherwise steady.