Columns: No. in series | No. in season | Title | Directed by | Written by | Original air date | U.S. viewers (millions)
37 | 1 | "Living the Dream" | Marcos Siega | Clyde Phillips | September27,2009 | 1.9 | 38 | 2 | "Remains to Be Seen" | Brian Kirk | Charles H. Eglee | October4,2009 | 1.3 | 39 | 3 | "Blinded by the Light" | Marcos Siega | Scott Buck | October11,2009 | N/A | 40 | 4 | "Dex Takes a Holiday" | John Dahl | Melissa Rosenberg & Wendy West | October18,2009 | N/A | 41 | 5 | "Dirty Harry" | Keith Gordon | Tim Schlattmann | October25,2009 | 1.7 | 42 | 6 | "If I Had a Hammer" | Romeo Tirone | Lauren Gussis | November1,2009 | 1.87 | 43 | 7 | "Slack Tide" | Tim Hunter | Scott Buck | November8,2009 | N/A | 44 | 8 | "Road Kill" | Ernest Dickerson | Melissa Rosenberg & Scott Reynolds | November15,2009 | 1.69 | 45 | 9 | "Hungry Man" | John Dahl | Wendy West | November22,2009 | 1.76 | 46 | 10 | "Lost Boys" | Keith Gordon | Charles H. Eglee & Tim Schlattmann | November29,2009 | N/A