Haunting Trip Down Memory Lane on 'Grey's Anatomy'

The term “complicated surgery” took on a whole new meaning in the Debbie Allen-directed Grey’s Anatomy episode “The Room Where It Happens.” As sleep deprivation, short tempers, hurt feelings and a whole lotta memories crowded into the O.R. along with Meredith, Richard, Owen and Stephanie worked desperately hard at saving their John Doe patient. Naturally, no one created a character to save, instead retreating to a painful memory of someone in their past. And everyone's was heartbreaking in their own right, no one could top Meredith. Because Meredith's involved—you guessed it—Derek. And for all those Derek and Mer fans - the never before scene of Meredith telling Zola that her father is gone was by far the most heartbreaking Grey’s flashback in history to date.