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GREY'S ANATOMY - "Before and After" - Derek and the Chief work on Addison's brother, Archer, on "Grey's Anatomy," THURSDAY, FEBRUARY 12 (9:00-10:02 p.m., ET) on the ABC Television Network. (ABC/RON TOM) PATRICK DEMPSEY, GRANT SHOW, JAMES PICKENS JR.
In This Photo: Derek Shepherd, Richard Webber