Grey's Anatomy

Following the storm, a mudslide causes many injuries; Meredith faces a decision that will impact a loved one; Callie is rocked by Arizona's infidelity.

New mum Meredith faces a tough choice that will affect the life of a loved one; still reeling from the news of Arizona's infidelity, Callie makes a bold decision about her marriage.

Derek and Meredith adjust to life at home with their newborn; Arizona tries to repair her marriage; Jackson and Owen clash over financial issues.

The doctors put together a fundraising gala; Bailey must face several difficult patients; Shane and Stephanie take care of the busy ER on their own; Alex opens up to Jo.

Meredith struggles to balance her roles as a surgeon and a mother when she returns to work; Stephanie tries to impress Jackson's mother; Jo becomes overly involved with a patient.

Callie and Derek collaborate on a brain mapping project; Meredith thinks about continuing her mum's research; Shane's guilt persists.