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In part two of the two-hour season finale, Cristina and Meredith's surgical skills are put to the ultimate test, and the game changes for all the characters.
In the first hour of the two-hour season six finale, Meredith receives life-changing news just as Seattle Grace Hospital is hit with a crisis like no other in its history.
This is the first hour of a 2-hour season finale. Two episode entries have been created. The 10pm EST marker will mark to beginning of the second episode.