Some horror episodes want to scare you. "White Bear" wants to indict you. It spends forty minutes convincing you that you are watching a victim, then pulls the floor out and shows you that you have been sitting in the audience the whole time, phone raised, waiting for the next scream. It is one of the meanest structural tricks Charlie Brooker ever pulled, and it works because it does not cheat. Everything you needed to see the twist coming was on screen. You just did not want