In former episode, Dexter hugs dying Evelyn, who's heavily bleeding from her throat. He's wearing gloves. At the beginning of this episode, Dexter is washing his hands, literally soaked with blood, like if he was bare handed. Instead, his shirt has just some small spots of blood...
The airport departures screen shows a 2:40 flight as having departed yet there are a string of flights at around 1:30 that are showing an estimated on-time departure.
The condemnation notice for the sanitarium that Dexter looks up actually has the heading "CONDEMNDATION".