The freefall continues. What happens to the world is suddenly overrun with fallen angels? According to showrunner Jeremy Carver, utter mayhem. "We’ve got lots of angels out there with lots of different agendas. [They're] lost, scared, and vengeful. A world of fallen angels is a dirty, bloody, scary and in some ways very human world," Carver told EW.com. Sounds like a regular day at the office for Sam and Dean.