It’s Halloween at Seattle Grace! There may be jokes, pranks, and/or scare tactics. Some of the women form a club based on an experience they all share. A man volunteers…

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…

Meredith grows increasingly dissatisfied with the unknown details of Derek’s life. Meanwhile, Alex treats Devo, a patient whose religious beliefs jeopardize her chances for recovery; Izzie contemplates reconnecting with her…

The surgical staff tries to be optimistic as a young woman clings to life after a brutal attack. Meanwhile Meredith puts her career on the line to save a newborn…

Ben Caspar’s autopsy reveals the gruesome details of his demise, and Ray and Ani wonder if it has anything to do with his fondness for prostitutes. Meanwhile, Frank looks into…

The disappearance of a city manager disrupts a lucrative land scheme and ignites an investigation involving three police officers and a career criminal who is moving into legitimate business.

Sam and Dean search for a Crocotta that uses the phone and computer as a means to communicate with people. Its goal is to get people to commit suicide and…