In 2011, Neil Gaiman wowed everyone with his first Doctor Who episode, The Doctor’s Wife, one of the most popular shows we’ve ever made. It was a long old battle, that one, and I slightly worried the great man might not be up for another go. I should have known better. I only had to whisper “Cybermen” and he was falling back through the door. As ever, he doesn’t give you quite what you’re expecting — or quite what he’s expecting. But then, wouldn’t you be disappointed if he did?