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GREY'S ANATOMY "Sympathy for the Devil" (Season 5 Episode 12)

Watch a sneak peek from GREY'S ANATOMY Season 5 Episode 12, "Sympathy for the Devil" airing this Thursday, January 15, at 9pm on ABC.

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Episode Synopsis: "Sympathy for the Devil" - Derek's mother, Carolyn, makes a surprise visit to Seattle and meets Meredith for the first time, as Mark tries to conceal his relationship with Lexie from her as well; meanwhile, death row inmate William wishes to donate his organs to Bailey and Arizona's patient, as Owen and Cristina try to go on their first date, on "Grey's Anatomy," THURSDAY, JANUARY 15 (9:00-10:01 p.m., ET) on the ABC Television Network. (ABC/RANDY HOLMES) KEVIN McKIDD