GREY'S ANATOMY - In the first hour of part two of the season finale of ABC's &quot;Grey's Anatomy&quot; -- &quot;Deterioration of the Fight or Flight Response&quot; -- Izzie and George attend to Denny as the pressure increases to find him a new heart, Cristina suddenly finds herself in charge of an ER, and Derek grapples with the realization that the life of a friend is in his hands. In the second hour, &quot;Losing My Religion,&quot; Richard goes into interrogation mode about a patient's condition, Callie confronts George about his feelings for her, and Meredith and Derek meet about Doc. Part two of the season finale of &quot;Grey's Anatomy&quot; airs MONDAY, MAY 15 (9:00-11:00 p.m., ET) on the ABC Television Network. (ABC/GALE ADLER)CHANDRA WILSON, ISAIAH WASHINGTON, JAMES PICKENS, JR.
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