Sometimes disgusting, body horror films make audience members question their prejudices against physical difference, their attitudes about sex and gender, their fear of disease and contamination, and how much appearance determines destiny.

The witch is a towering figure in the history of horror. The archetypical evil witch is everything mainstream religion tells us a woman should not be - and that unapologetic, very female power frightens men and fascinates women.

Parents are supposed to love their children, no matter how awful their kids may be; the films highlighted in this episode may not solve the mystery of where evil comes from, but they have a terrifically terrifying time raising the question.