This episode we have a delightful Fairy Tale.
With fairies, castles, witches, princesses and princes, step mothers and ugly step sisters (alignments to be revealed), lots of things done in threes, and body horror that's positively Cronenbergesque.
This time we've a Scottish fairy tale, name checked by none other than J.R.R. Tolkien. It features a whole lot of threes, an Epic Battle (off camera), a very valuable apple (no Steve Jobs required) and a fast and loose attitude to tying up narrative...