Grey's Anatomy

The staff deals with George's death; George's mother must make a decision.

The staff deals with George's death; George's mother must make a decision.

Seattle Grace residents position themselves to avoid layoffs.

Meredith must save Thatcher's life.

The residents of Seattle Grace and Mercy West vie for their careers.

All of the Mercy West and Seattle Grace residents must defend their actions

Derek challenges Richard's authority.

Cristina tests her boundaries with Owen.

Owen recruits a fellow Iraq War vet to be the new cardiothoracic surgeon.

Mark and Lexie must cope with the arrival of a woman from his past.

Cristina is assigned the lead on a complicated surgery.

Izzie returns, hoping to reconcile with Alex.

Derek faces a lawsuit on his first day as interim chief.

Meredith struggles with her new duties as the chief's wife.

Callie, Bailey and Richard present pivotal surgical cases from their pasts.

Callie and Arizona try to help Teddy and Sloan move on from their pasts.

Owen and Richard compete for an extremely difficult surgery.

Arizona and Callie have different opinions about the future.

Parts of Alex's past are revealed to his friends and colleagues.

Mark, Teddy, Callie and Arizona help Sloan deliver her baby.

Bailey preps the team with mandatory sensitivity training.

Karev treats a troubled teen; Meredith shares her suspicions with Cristina.

The hospital is hit with an unprecedented crisis.

Meredith and Cristina's surgical skills are put to the test.