"Grey's Anatomy" Episode 10, "Somebody That I Used to Know" aired last night as Meredith and Christina's relationship is beginning to get worse as the two fight over the organ printer. April has officially began sending out invitations but has only gone up to Stephanie to ask for addresses. Thinking it's weird, Stephanie goes to Avery and asks if April even knows that they're together. As Avery talks to April about the invite drama, she confesses that he is not necessarily invited but she really needs him to be there. Avery disagrees by saying Kepner has his blessing but he really doesn't think he should be going to the wedding due to their past. 

Meanwhile, Alex and Christina talk about the effects of not having sex, and what it will do to your work ethic and how it is bad for humanity. Shane discreetly shows up behind them during the conversation and blaintly tells Christina that he would 'service' her, if she wanted him too. Ben is becoming increasingly worried about Baileys hand P.T.S.D when he starts to vent to Derrick about her surgeries. Ben accidently says too much and Derrick is forced to go to Chief Hunt and have her taken off the schedule and all-surgeries until she is checked out by psychiatrist. Callie and Arizona are trying to make a mends with their relationship, when Arizona confesses that she had been with someone else during the seperation. She doesn't tell Callie who it was, but it is later brought out during surgery as Callie, Arizona, and Leah all have surgery together. Leah accidently drills a hole through a mans leg and the surgery table, when she begans to freak out asking for Arizona to do something. Callie immediatley sees that Leah was the girl Arizona slept with. 

Christina takes the organ printer for an extra day when Meredith arrives freaking out on her. Shane steps in and tells Meredith to back off and that she would have the printer in the morning, when Christina turns around kisses Shane. Episode 10, "Somebody That I Used to Know" ended with a awkward goodbye as Chief Hunt, Derrick, Meredith, and Christina are all in a room when Thanksgiving is brought to the table. Bailey and Ben go home after a stressful day when she throws a chair down and in turn picks it ip because of her severe O.C.D.