Original air date: 09/04/2006 Runtime: 58:27 min. In the Season Four premiere, four boys from West Baltimore play out their summer vacation in the streets. Meanwhile, Marlo has solved the problem that baffled Stringer Bell: how to maintain discipline--read: murders--without getting police attention.
Original air date: 09/18/2006 Runtime: 58:36 min. With his lead dwindling, Royce resorts to extreme measures to stall Carcetti's momentum. At Bodie's corner, Michael proves adept as a runner, with Bodie and Marlo taking notice. A re-up bodega is put under surveillance by Omar and Greggs.
Original air date: 09/25/2006 Runtime: 58:35 min. With Freamon and Greggs moved to Homicide, Herc and Dozerman join Marimow in the stripped-down Major Crimes Unit. Cutty gets a 'custodial' job at Tilghman School mopping up truants, but can't make headway in his efforts to mentor Michael.
Original air date: 10/09/2006 Runtime: 58:00 min. With Election Day approaching, the three mayoral candidates make last-minute appeals. Carcetti wrangles for votes as he responds to a potentially devastating smear. Norris and Greggs get a lead on the Braddock case, but end up being detoured.
Original air date: 10/23/2006 Runtime: 58:29 min. With a bounty on him, Omar calls in a favor to Bunk. The election over, Royce and Carcetti make peace and contemplate their futures. At school, Prez tricks his students into learning math. Finally, Greggs uses 'soft eyes' at a crime scene.
Original air date: 11/06/2006 Runtime: 58:36 min. Poot returns to the corner after a stint in prison--and is welcomed back. Carcetti engages in a testy budget battle with City Council President Campbell, promotes Daniels, and hits a snag in his efforts to relieve Burrell of his duties.
Original air date: 11/13/2006 Runtime: 58:26 min. Acting on Clay Davis' advice, Burrell seeks to burnish his reputation by ordering the department to double their street arrests. The mandate does not sit well with McNulty, who sets his sights instead on cracking a string of church robberies.
Original air date: 11/20/2006 Runtime: 58:34 min. After flexing his muscles around the city, Carcetti faces his first dilemma when a group protests Herc's mistreatment of one of their own. Later, the mayor reverses Burrell's mass-arrest mandate, but Burrell still has some cards to play.
Original air date: 11/27/2006 Runtime: 58:33 min. On the trail of missing bodies, Freamon turns to a higher authority after being rebuked by Landsman. Carcetti finds his promises of prosperity undermined by the school debt, forcing him to contemplate groveling before the Governor in Annapolis.