Derek and Addison’s relationship is rocked to the core when a former friend comes to Seattle Grace and his presence promises to shake things up for a few members of…

After a series of deaths at the hospital some of the staff become very superstitious. Izzie worries about Denny and gets confronted by Alex. A patient with OCD drives Cristina…

Train Wreck victims come to Seattle Grace and all staff gets called in. Everyone deals with really weird cases. Except Addison and Izzie. They work with a woman who is…