The better, principled part of me says to me: "See, this is a series overcrowded with serial killers. It will not show you anything better than improper use of mushrooms and cannibalism on-screen." The other, not so principled side of me screams: "I adore Mads Mikkelsen! I want to hear him speak English! I want to see him eating whatever he is eating on my TV! I want to see him wearing his odd but interesting waistcoats! I want to make a collection of waistcoats myself!"
I have a long-standing waistcoat obsession and I own a few (nothing is as good as a waistcoat suit for interviews). You might like Hannibal the TV series, or you might not, but here is a waistcoat collection to admire: