Continuity mistake: When Daisy takes Stan to church, she takes a seat in the fourth row and sets her purse down. After the window breaks, she runs outside, leaving her purse in the pew. When she returns to find Stan gone, the purse is in the fifth row.
Continuity mistake: At the beginning of the episode George is wearing a sweater that is stained with large blood splatter. During the actual reap she is splattered with blood but the pattern is very different, both in quantity of blood and the splatter locations on her sweater.