Watch The Wire

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.

Herc's harassment of a black minister becomes Carcetti's first public-relations problem; Daniels turns to Freamon to reopen the major-crimes unit; Michael hatches a scheme to get back at the bullying Off. Walker; Omar gains the upper hand in dealing with Proposition Joe; Randy's predicament prompts a swift reaction from Prez.

Davis convinces Burrell to reassert his authority, which echoes up and down the ranks; Namond reaches out to an unexpected hand for help; Colvin's experiment is put under the microscope; Bubbles grows tired of Herc's promises; Michael's problem is solved by Chris; Bodie's street-corner advice comes back to haunt him.

An imprisoned Omar looks to an unlikely source for help; Prez uses unorthodox methods to get his kids to learn; Greggs surprises Norris with a break in the Braddock case; Carcetti and Royce hold a post-primary meeting; Marlo tries to figure out who's following him; Cutty comes clean at the gym about his extracurricular activities.

Election Day brings out last-minute campaign tactics; Herc thinks he can catch Marlo red-handed; Colvin gets his first class of recruits; Omar's name echoes through the squad room, but McNulty is skeptical of the reason; Prez tries to keep Randy from heading down the wrong path; Namond is reluctant to become a breadwinner.

Changes within the units finds Freamon and Greggs moving to homicide, while Herc and Dozerman join Marimow in the Major Crimes Unit. Cutty's new job is corralling truants, but his mentoring of Michael is going nowhere. Bubbles does her best to get Sherrod back into the eighth grade. Burrell knows how to mess up the state witness murder investigation, which will impact Greggs and the election. Prez's struggles as a teacher continues. Broddie starts working with a new company. Randy faces problems after being caught with his candy scam. Colvin pitches his pilot program to the middle school and Proposition Joe cons Marlo in a major heist.

Prez learns a difficult lesson during his first week at school; Bunny mulls an offer for a crime-research study; Rawls sabotages Freamon's unit; the mayor reacts to Carcetti's debate bombshell; Proposition Joe suggests reaching out to Marlo; Bunk gets a taste of McNulty's domesticated life.

Freamon ruffles a few feathers with a round of subpoenas to VIPs; Herc gets an eyeful behind closed doors at City Hall; Marlo reaches out to the neighborhood kids; Carcetti scores points during a televised debate; Wee-Bey dispenses fatherly advice to Namond.

Four West Baltimore teens get a summer education on the streets with school on the horizon. Meanwhile, Councilman Carcetti campaigns for mayor, Prez prepares for his new career as a teacher and Freamon is puzzled by the lack of violence between drug gangs.