Best of 2009

TV's Top 20 Most Buzzed-About Moments

Dr. Ross's happy ending, Kris Allen's Idol win, Heather Locklear's return and more moments you couldn't stop talking about

GEORGE O'MALLEY IS JOHN DOE

In the season finale of Grey's Anatomy, Izzie survived surgery for her tumor (yes!), but started to slip just as her memory returned (oh, no!). Then, in a tragic discovery, the doctors of Seattle Grace realized a John Doe, who was hit by a bus, was (omg!) George. In the final cliff-hanging scene, Izzie, in the dress she wore when Denny died, saw her friend in his Army uniform, leaving fans wondering who would live and who would die.