March 15, 2007
"Scars and Souvenirs"
The race for Chief gets hotter when a new candidate enters the mix!
Derek treats a woman he knows who is suffering from a tumor.
Alex continues to get closer to the Jane Doe patient.
Izzie and George's relationship takes a turn for the worse - could this be the two interns rumored to have an affair this season?
Callie has a big secret and it's about to come out!
Guest starring: Shohreh Aghdashloo as Helen Crawford and Elizabeth Reaser as Jane Doe.

