Blink is of course a belter of an episode with moments of genuine horror, witty writing, clever sci-fi and more, but this is yet another example of how important the human moments are to Doctor Who, and how, when done well, they are often the most affecting parts of their stories.

Even seasoned veterans sometimes struggle to find their way through these treacherous waters. So, if you find yourself struggling to know where to go, you are not the only one in this pickle. First things first, though. If you are only just getting into ...