GREY'S ANATOMY - &quot;Crash Into Me, -- Part Two&quot; - In the stunning conclusion of a two-part episode, Meredith furiously works to save the life of a paramedic trapped inside an ambulance, as her sister, Lexie, holds the life of a patient in her hands; Derek must rely on the help of a nurse to save a patient's life, as Bailey struggles to balance her personal life with her work, on &quot;Grey's Anatomy,&quot; THURSDAY, DECEMBER 6 (9:00-10:02 p.m., ET) on the ABC Television Network.  (ABC/VIVIAN ZINK)SANDRA OH, SETH GREEN, CHYLER LEIGH, ERIC DANE
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