Final Grades

The police are overwhelmed by the vacant houses' yield. Meanwhile, Bubbles takes a protégé's fate hard, Colvin asks Wee-Bey for a big favor, Omar looks to rob Joe's co-op once again, Marlo gives Michael his first assignment, McNulty mulls a return to his old unit, Bodie voices his displeasure with the current regime and Carver runs out of time trying to help Randy.