GREY'S ANATOMY - "Wish You Were Here" - The Chief assigns Cristina, Derek, Meredith and Owen to care for a convicted serial killer on death row, on "Grey's Anatomy," THURSDAY, JANUARY 8 (9:00-10:01 p.m., ET) on the ABC Television Network. (ABC/CRAIG SJODIN) SANDRA OH, JAMES PICKENS JR., ELLEN POMPEO, PATRICK DEMPSEY, KEVIN MCKIDD