Everyone seems to be having a Merry Christmas except the people at Seattle Grace. Izzie (
Katherine Heigl) can't get into the holiday spirit because she's still p.o.'ed at Alex (
Justin Chambers), who for his part is convinced that he'll fail again when he takes his board exams for the second time. Back at the hospital, Bailey (
Chandra Wilson) maintains her backbreaking schedule despite her pregnancy; George (
T.R. Knight) can't help but feel that his patient's obnoxious relatives are the root cause for her gastric ulcer; and Cristina (
Sandra Oh) and Burke (
Isaiah Washington) have a theological argument while trying to persuade a 10-year-old to undergo a heart transplant. Finally, though Derek (
Patrick Dempsey) and Addison ({$Kate Walsh) have reconciled for the umpteenth time, it doesn't last long--a fact that doesn't make Addison happy, but which may turn out to be the best Christmas present that Meredith (
Ellen Pompeo) ever had. ~ Hal Erickson, All Movie Guide