Cristina Yang looks rather contemplative in a photo from "Brave New World" from Season Five of Grey's Anatomy. Wonder what wise crack Dr. Yang utters next ...

Lounging on the couch is necessary sometimes, as Meredith and Cristina show us in this photo from "Brave New World" from Season Five of Grey's Anatomy.

George and Izzie look a little tipsy in a photo from "Brave New World" from Season Five of Grey's Anatomy. Good to see them hanging out again!

Grey's Anatomy star Patrick Dempsey was seen out for a bike ride in October 2008. He looked rather hot, but that should be no surprise to die hard fans.

Miranda Bailey runs the show at Seattle Grace. Everyone knows this!

Sandra Oh films Grey's Anatomy in Los Angeles in October 2008. It's a rare treat to see our favorite stars filming off the closed set.

Patrick Dempsey escorts Donatella Versace to the Whitney Museum of Arts in New York City. The Grey's Anatomy star is a handsome devil!

Seattle Grace is visited by a group of interesting patients - as it always is - in this photo from "There's No 'I' in Team," from Season Five of Grey's Anatomy.

A couple of new patients pay a visit - and are treated by our favorite group of residents - in this photo from "There's No 'I' in Team," from Season Five of Grey's Anatomy.

Miranda Bailey is running the show, as she always does, in this photo from "There's No 'I' in Team," from Season Five of Grey's Anatomy.

Miranda Bailey, as Seattle Grace Chief Resident, is the boss of all our favorite junior residents, and attending to patients in this photo from "There's No 'I' in Team," from Season Five of Grey's Anatomy.

Miranda barks orders at Izzie, Meredith, Cristina and Alex in this new promotional photo from "There's No 'I' in Team," from Season Five of Grey's Anatomy.