Just try to get to #9 without crying.More
When Addison arrives at Seattle Grace, Derek is forced to make a choice: rescue his marriage or maintain his new flame with Meredith. After days of trying to play it cool, Meredith cracks and pleads with Derek: "Pick me. Choose me. Love me."
In a desperate attempt to move Denny up the transplant list for a new heart, Izzie cuts his LVAD wire. His condition worsens, but he recovers and asks her to marry him. After donning a dress for the prom party for Dr. Webber's niece, Izzie returns to find Denny dead. The other interns discover Izzie curled up next to Denny in his bed, sobbing.