News of Meredith's dishonesty in the clinical trial comes to light.
I Will Survive
Work and personal pressures leave Meredith on edge.
Callie and Arizona's wedding is not coming together as they hoped.
It's A Long Way Back
Everyone tries to help Callie and her baby recover.
Song Beneath the Song
A cataclysmic event rattles the doctors of Seattle Grace.
This Is How We Do It
Mark and Arizona plan a baby shower for Callie but aren't on the same page.
Meredith's fertility treatments start affecting her eyesight.
Meredith volunteers to run the ER for a night.
Meredith and Lexie's father returns to Seattle Grace.
Don't Deceive Me (Please Don't Go)
Derek breaks ground on his clinical trial.
Start Me Up
Arizona tries to reconcile with Callie.
A gunman opens fire at a local college.
Adrift and at Peace
A concerned Derek takes Cristina on a fishing trip.
Slow Night, So Long
Derek lands the grant he needs for his clinical trial and all the attendings take him out to Joe's Bar to celebrate.
Something's Gotta Give
A team of doctors try to save the life of a political figure.
That's Me Trying
The residents are pushed to their limits when Owen puts them through a rigorous trauma certification drill.
These Arms of Mine
A TV crew records hospital life six months after the shooting.
As part of their training, Seattle Grace's residents are put in charge.
Can't Fight Biology
Things are hostile on all fronts when a visit to the obstetrician results in some disturbing news for Meredith and Derek.
Derek receives an unexpected and unwelcome visit from his estranged sister, Amelia.
Shock to the System
Cristina experiences post-traumatic stress disorder in the midst of an operation.
With You I'm Born Again
Derek resigns as chief and rushes back into surgery; and Cristina plans her wedding.