The doctors of Seattle Grace Hospital deal with life-or-death consequences on a daily basis - it's in one another that they find comfort, friendship and love. Together they're discovering that neither medicine nor relationships can be defined in black and white. Real life only comes in shades of grey.
Here's To Future Days: Izzie contemplates whether or not to undergo a risky surgery.
Now Or Never: Izzie's memory problems panic Alex, the team takes care of a John Doe who was hit by a bus, Bailey rethinks her pediatrics fellowship, and the hospital endures losses.
Meredith, Derek and all of their friends prepare for the big wedding.
George delivers stunning news to Bailey, sending shockwaves throughout the hospital.
Izzie spends time with a fellow cancer patient and contemplates whether to undergo a risky surgery.
Izzie decides to undergo cancer surgery; the Seattle Grace doctors team up following a car accident.
A group of college students are rushed to Seattle Grace following a serious car crash on their way to the graduation ceremonies.
Izzie decides to undergo cancer surgery; Mark prepares to move forward with Lexie; Bailey finds out if she gets a pediatric fellowship.