Grey's Anatomy Ep. 10/19/06 - Oh, The Guilt

Thursday, October 19, 2006
"Oh, The Guilt"

Now that Mark is settling into Seattle Grace, Derek finally learns the truth about Mark and Addison's relationship.

During a staff meeting at the hospital, the interns defend the competency of a resident.

Dr. Bailey treats a young mother who is battling breast cancer.

Addison and Meredith treat a couple who is stuck together in a very compromising position courtesy of the man's piercing.