Columns: No. in season | No. in series | Title | Directed by | Written by | Original air date | U.S. viewers (million)
1 | 82 | "Winds of War" | John T. Kretchmer | Karen Maser | March 4, 2012 | 3.63 | 2 | 83 | "Perchance to Dream" | Rob Spera | T.J. Brady & Rasheed Newson | March 4, 2012 | 3.63 | 3 | 84 | "The Best of Friends" | Joanna Kerns | Linda Gase | March 11, 2012 | 3.04 | 4 | 85 | "Learning Curve" | Carl Lawrence Ludwig | Rebecca Dameron & James Stanley | March 18, 2012 | 2.83 | 5 | 86 | "True Colors" | Alex Shevchenko | Bill Rinier | March 25, 2012 | 2.70 | 6 | 87 | "Viral" | Chris Peppe | Marlana Hope | April 1, 2012 | 2.60 | 7 | 88 | "System Failure" | John T. Kretchmer | Rebecca Dameron | April 8, 2012 | 3.10 | 8 | 89 | "Casualties" | James Bruce | Ken LaZebnik | April 15, 2012 | 2.91 | 9 | 90 | "Non-Combatants" | John T. Kretchmer | T.J. Brady & Rasheed Newson | April 22, 2012 | 3.18 | 10 | 91 | "After Action Report" | Melanie Mayron | Karen Maser | April 29, 2012 | 2.81 | 11 | 92 | "Fallout" | Brian McNamara | Linda Gase | May 6, 2012 | 3.07 | 12 | 93 | "Blood Relative" | John T. Kretchmer | James Stanley | May 13, 2012 | 2.61 | 13 | 94 | "General Complications" | Joanna Kerns | Bill Rinier | May 20, 2012 | 2.77 | 14 | 95 | "Fatal Reaction" | James Bruce | Rebecca Dameron | June 24, 2012 | 3.33 | 15 | 96 | "Tough Love" | Susan E. Walter | Marlana Hope | July 1, 2012 | 3.02 | 16 | 97 | "Battle Scars" | Alex Shavchenko | T.J. Brady & Rasheed Newson | July 8, 2012 | 3.29 | 17 | 98 | "Hello Stranger" | Thom Rainey | Rob Forman | July 15, 2012 | 3.49 | 18 | 99 | "Baby Steps" | Émile Levisetti | James Stanley | July 22, 2012 | 2.92 | 19 | 100 | "Centennial" | Christine Moore | Karen Maser | August 5, 2012 | 2.82 | 20 | 101 | "The War at Home" | Anna Foerster | Jason Lazarcheck | August 12, 2012 | 2.97 | 21 | 102 | "Handicap" | Glenn Kershaw | Linda Gase | August 19, 2012 | 3.57 | 22 | 103 | "Domestic Maneuvers" | Chris Peppe | Bill Rinier | August 26, 2012 | 3.37