"GREY'S ANATOMY - ""Wish You Were Here"" - Dr. Owen Hunt examines William, a convicted serial killer and death row inmate, on ""Grey's Anatomy,"" THURSDAY, JANUARY 8 (9:00-10:01 p.m., ET) on the ABC Television Network. (ABC/CRAIG SJODIN) PATRICK DEMPSEY, ERIC STOLTZ (ON GURNEY), KEVIN MCKIDD, SANDRA OH"