<a href="http://amzn.to/1lR8OoD">I'm not really a slipper wearer. I usually just wander round the house in socks or bare feet, but I might be tempted by these K-9 slippers.
K-9 occupies a strange place in Doctor Who. He actually belongs to a period where the show became increasingly silly. And in many ways the presence of a talking android dog is part of that silliness.
But at the same time, it's K-9!