<Tr> <Th> 18 </Th> <Td> 50 </Td> <Td> "Fields of Fire" </Td> <Td> Rob Spera </Td> <Td> Katherine Fugate & Karen Maser </Td> <Td> October 11, 2009 (2009 - 10 - 11) </Td> <Td> 3.93 </Td> </Tr> <Tr> <Td_colspan="7"> Michael and Claudia Joy prepare for Michael's promotion ceremony . Pamela reaches a breaking point in her marriage . Roland struggles with his increase in both workload and parenting duties since Joan's deployment . Roxy stresses about the family's financial future . Jeremy continues to struggle with grieving and must deal with the consequences of his actions at the Hump Bar . </Td> </Tr> <Table> <Tr> <Th> No . overall </Th> <Th> No. in series </Th> <Th> Title </Th> <Th> Directed by </Th> <Th> Written by </Th> <Th> Original air date </Th> <Th> U.S. viewers (millions) </Th> </Tr> <Tr> <Th> </Th> <Td> 51 </Td> <Td> "Collateral Damage" </Td> <Td> Allison Liddi - Brown </Td> <Td> Jeff Melvoin </Td> <Td> April 11, 2010 (2010 - 04 - 11) </Td> <Td> 3.32 </Td> </Tr> <Tr> <Td_colspan="7"> Frank and Denise cope with the aftermath of Jeremy's breakdown, and Roland receives upsetting news about Joan . Meanwhile, Pamela takes the kids on a last - minute vacation . Claudia Joy is nominated for the Spenser Award for the best Army spouse of the year and meets a familiar face . </Td> </Tr> <Tr> <Th> </Th> <Td> 52 </Td> <Td> "Scars & Stripes" </Td> <Td> Rob Spera </Td> <Td> Debra Fordham </Td> <Td> April 18, 2010 (2010 - 04 - 18) </Td> <Td> 3.15 </Td> </Tr> <Tr> <Td_colspan="7"> Roland has to both worry about his daughter and figure out how he can support his wife, who is in Germany recovering from injuries . Denise and Frank try to help Jeremy through his PTSD . Trevor moonlights as a pizza deliveryman for extra cash, until he unexpectedly bumps into a familiar face . Roxy and Claudia Joy want the ban on allowing base personnel lifted at the Hump Bar. Roxy tells her friends that she's pregnant . </Td> </Tr> <Tr> <Th> </Th> <Td> 53 </Td> <Td> "Homefront" </Td> <Td> Chris Peppe </Td> <Td> Bruce Zimmerman </Td> <Td> April 25, 2010 (2010 - 04 - 25) </Td> <Td> 2.89 </Td> </Tr> <Tr> <Td_colspan="7"> Lenore causes more trouble at the Spenser Award formalities, much to Claudia Joy, Pamela and Roxy's annoyance . Emmalin finds herself in a difficult situation when her friend sneaks alcohol into the party and gets alcohol poisoning as a result . While recuperating in the hospital Joan befriends several patients . Terrence Price, now a fugitive, returns suddenly with a request for Roland . Finn and TJ finally learn they will soon have a brother or sister . </Td> </Tr> <Tr> <Th> </Th> <Td> 54 </Td> <Td> "Be All You Can Be" </Td> <Td> Kevin Dowling </Td> <Td> Karen Maser </Td> <Td> May 2, 2010 (2010 - 05 - 02) </Td> <Td> 3.15 </Td> </Tr> <Tr> <Td_colspan="7"> Claudia Joy runs into an old friend from law school while visiting a college campus with Emmalin . Joan is back in Iraq leading a school - building project . Roland prepares for Sara Elizabeth's first birthday . Pamela weighs her options about divorcing Chase . One of Trevor's recruits who is about to deploy to Afghanistan has gone AWOL . </Td> </Tr> <Tr> <Th> 5 </Th> <Td> 55 </Td> <Td> "Guns & Roses" </Td> <Td> Emile Levisetti </Td> <Td> Karen Maser </Td> <Td> May 9, 2010 (2010 - 05 - 09) </Td> <Td> 2.65 </Td> </Tr> <Tr> <Td_colspan="7"> Fort Marshall is in a Mother's Day atmosphere . Claudia Joy as begins preparations for the annual FRG mother's day brunch . Michael and Emmalin's Mother's Day plans for Claudia Joy are ruined when they get a visit from his aunt Edie (guest star Ann - Margret). Denise gets a surprise present from Frank and Jeremy . Pamela endures another special occasion without Chase . Roland plans something special for Joan but mail is delayed and communications broken down due to a massive sandstorm . Dinner plans are derailed when Michael and Frank are unexpectedly called out on Army business and Trevor is stuck at the side of the highway after the car broke down so the wives and Roland all spend Mother's Day dinner at the Holden residence . </Td> </Tr> <Tr> <Th> 6 </Th> <Td> 56 </Td> <Td> "Evasive Maneuvers" </Td> <Td> Melanie Mayron </Td> <Td> Rebecca Dameron </Td> <Td> May 16, 2010 (2010 - 05 - 16) </Td> <Td> 2.95 </Td> </Tr> <Tr> <Td_colspan="7"> Denise and the wives reach out to recently PCS - ed Army wife Marisol Evans after finding out that she is the victim of spousal abuse . In order to keep her mind off of Chase, Pamela and Claudia Joy help organize a USO concert . While still in Iraq, Joan helps a homesick sergeant and does her best to keep morale high while the rebuilding of the schools continues . Guest appearance by Five for Fighting and Wynonna Judd </Td> </Tr> <Tr> <Th> 7 </Th> <Td> 57 </Td> <Td> "Heavy Losses" </Td> <Td> Donna Deitch </Td> <Td> T.D. Mitchell </Td> <Td> May 23, 2010 (2010 - 05 - 23) </Td> <Td> 2.60 </Td> </Tr> <Tr> <Td_colspan="7"> Pamela isn't sure if she should believe Chase about the effort he is willing to put into their relationship in order to make it work . Claudia Joy begins taking steps to finish of her law degree and has an interview with the dean of admissions . When Roxy begins suffering complications in her pregnancy Trevor isn't sure where to go for help, so he seeks out Roland's guidance . After receiving a promotion to specialist Jeremy, who has several months left on his initial enlistment contract, hopes that Denise will give him her blessing to enlist again . </Td> </Tr> <Tr> <Th> 8 </Th> <Td> 58 </Td> <Td> "Over and Out" </Td> <Td> Carl Lawrence Ludwig </Td> <Td> James Stanley & Diane Messina Stanley </Td> <Td> June 6, 2010 (2010 - 06 - 06) </Td> <Td> 3.46 </Td> </Tr> <Tr> <Td_colspan="7"> Joan is very anxious to return home after rebuilding schools in Iraq . She hopes to receive orders allowing her to rejoin the unit she commanded before she was injured . A broken leg could end Emmalin's dreams of being a professional hockey player . Pamela and Chase take steps to change something in their marriage after their children begin to sense that something is wrong . Denise gets some surprising news and has to tell Roxy . </Td> </Tr> <Tr> <Th> 9 </Th> <Td> 59 </Td> <Td> "New Orders" </Td> <Td> Matia Karrell </Td> <Td> Bruce Zimmerman </Td> <Td> June 13, 2010 (2010 - 06 - 13) </Td> <Td> 3.31 </Td> </Tr> <Tr> <Td_colspan="7"> Roland plans a day trip to Savannah with Joan but when the babysitter backs out last minute Frank volunteers to watch Sara Elizabeth . Pamela's financial troubles come to a head when she visits the dentist and is informed that she needs a root canal . Trevor receives some unexpected news that he has to share with the family . </Td> </Tr> <Tr> <Th> 10 </Th> <Td> 60 </Td> <Td> "Trial & Error" </Td> <Td> Gloria Muzio </Td> <Td> Debra Fordham </Td> <Td> June 20, 2010 (2010 - 06 - 20) </Td> <Td> 3.45 </Td> </Tr> <Tr> <Td_colspan="7"> An advocacy lawyer whose case against the army puts Claudia Joy and Michael in a place they'd never been before on different sides of the army . Now that Denise is expecting, Jeremy helps her with chores around his house . Pamela has a new job . </Td> </Tr> <Tr> <Th> 11 </Th> <Td> 61 </Td> <Td> "Safety's First" </Td> <Td> Joanna Kerns </Td> <Td> Bill Rinier </Td> <Td> June 27, 2010 (2010 - 06 - 27) </Td> <Td> 3.31 </Td> </Tr> <Tr> <Td_colspan="7"> Superstitions abound as Fort Marshall is on its 99th day without a fatality . Joan finally goes to the doctor and learns what is causing her symptoms . Denise is moved to dispatch duty at work due to her pregnancy and enlists Pamela's help to locate a caller in trouble . Trevor meets his new squad, which includes Jeremy, and has to lead them through a live fire exercise and earn their respect . </Td> </Tr> <Tr> <Th> 12 </Th> <Td> 62 </Td> <Td> "Change of Station" </Td> <Td> Rob Spera </Td> <Td> James Stanley & Diane Messina Stanley </Td> <Td> July 11, 2010 (2010 - 07 - 11) </Td> <Td> 3.25 </Td> </Tr> <Tr> <Td_colspan="7"> Pamela has doubts about Chase's new female neighbor . Frank and Denise discuss baby names . When Emmalin gets disappointing news about the recovery of her knee, Michael steps in to help . TJ has difficulty accepting his dad's upcoming deployment and Trevor's advice to him to be the "man of the house" somewhat backfires . Michael and Frank get some unexpected news from The Pentagon about the upcoming Afghanistan deployment . </Td> </Tr> <Tr> <Th> 13 </Th> <Td> 63 </Td> <Td> "Army Strong" </Td> <Td> John Terlesky </Td> <Td> Rebecca Dameron </Td> <Td> July 18, 2010 (2010 - 07 - 18) </Td> <Td> 3.46 </Td> </Tr> <Tr> <Td_colspan="7"> Claudia Joy, Denise and Roxy each deal with their husbands' imminent deployment to Afghanistan . Denise and Frank learn the sex of their baby . Joan has difficulty accepting the fact that she has a traumatic brain injury and is unable to deploy with her unit . Pamela considers the possibility of dating again . </Td> </Tr> <Tr> <Th> 14 </Th> <Td> 64 </Td> <Td> "AWOL" </Td> <Td> James Bruce </Td> <Td> Karen Maser </Td> <Td> July 25, 2010 (2010 - 07 - 25) </Td> <Td> 3.31 </Td> </Tr> <Tr> <Td_colspan="7"> An AWOL soldier is arrested after missing her deployment, and Grant Chandler (Harry Hamlin) takes on the case . Over in Afghanistan, Jeremy is in love </Td> </Tr> <Tr> <Th> 15 </Th> <Td> 65 </Td> <Td> "Hearts & Minds" </Td> <Td> Glenn Kershaw </Td> <Td> Jennifer Schuur </Td> <Td> August 1, 2010 (2010 - 08 - 01) </Td> <Td> 3.30 </Td> </Tr> <Tr> <Td_colspan="7"> A very pregnant Denise stresses over Frank and Jeremy's absence . Joan shows improvement as her doctor allows her to spend a day alone with her daughter . To cope with the loss of customers due to the deployments Roxy decides to host a speed dating night at The Hump Bar and encourages Pamela to join . A hopeful Emmalin prepares a video to submit to college coaches . </Td> </Tr> <Tr> <Th> 16 </Th> <Td> 66 </Td> <Td> "Mud, Sweats & Tears" </Td> <Td> John T. Kretchmer </Td> <Td> James Stanley & Diane Messina Stanley </Td> <Td> August 8, 2010 (2010 - 08 - 08) </Td> <Td> 3.33 </Td> </Tr> <Tr> <Td_colspan="7"> Dr. Jill Biden (as herself) comes to visit Fort Marshall and discusses challenges face by military families with a deployed relative . As preparations for the fun run heats up, the Army wives get a friendly rivalry going with the Marine wives . Denise is caught in the middle when her sisters come to visit and bicker throughout the day . Chase seeks help from Roland . In Afghanistan, the village Trevor and Jeremy are patrolling is targeted by suicide bombers . </Td> </Tr> <Tr> <Th> 17 </Th> <Td> 67 </Td> <Td> "Murder in Charelston" </Td> <Td> Allison Liddi - Brown </Td> <Td> Bruce Zimmerman & T.D. Mitchell </Td> <Td> August 15, 2010 (2010 - 08 - 15) </Td> <Td> 3.60 </Td> </Tr> <Tr> <Td_colspan="7"> Pamela and Atlanta PD detective Gina Maddox (Gabrielle Union) investigate a murder case involving a dishonorably discharged Iraq veteran . Michael informs Claudia Joy he won't be in contact for several days because of a mission . </Td> </Tr> <Tr> <Th> 18 </Th> <Td> 68 </Td> <Td> "Forward March" </Td> <Td> Joanna Kerns </Td> <Td> Tanya Biank </Td> <Td> August 22, 2010 (2010 - 08 - 22) </Td> <Td> 3.91 </Td> </Tr> <Tr> <Td_colspan="7"> In the fourth season finale, Denise goes into labor while on the phone with Jeremy . Claudia Joy receives disturbing news as Emmalin prepares for graduation . Pamela reconsiders her future after a talk with Gina and Joan must make a life - changing decision . </Td> </Tr> </Table> <Tr> <Th> No . overall </Th> <Th> No. in series </Th> <Th> Title </Th> <Th> Directed by </Th> <Th> Written by </Th> <Th> Original air date </Th> <Th> U.S. viewers (millions) </Th> </Tr>

What episode of army wives does emmalin graduation