Derek and Addison are shaken by the arrival of a figure from their past. Meanwhile, Burke learns Cristina's secret, Izzie deals with a very unusual case, Meredith delves into her family's dirty laundry, and George pours his heart out.
Did You Know?
Meredith's first attempt to give a nickname to Dr Mark Sloan is 'McSexy', followed by Izzie with 'McYummy', before Meredith announces and decides on 'McSteamy'. See more
Dr. George O'Malley
I know I'm not a world-renowned surgeon and I know I'm not a lot of things you've gone for in the past. I know. But, I would never leave you. I would never hurt you. And I will never stop loving you.
Everybody Needs a Fence to Lean On
Performed by Headlights
Courtesy of Polyvinyl See more