Cristina enlists Meredith to help her prepare an acceptance speech.
Cristina won't let herself get excited when she is nominated for a Harper Avery award; Alex thinks about making a change; Callie and Derek work with a machine that recognizes emotions.
The doctors are exposed to flu-infected patients; Derek prepares to give a speech; a new doctor gives Alex a glimpse into an alternative medical practice.
Cristina thinks about her future; a patient decides whether to live or not.
Bailey asks Richard to join her on the case of a lifetime; Meredith decides to hire a research assistant; Callie shocks Derek; a young pregnant woman (Keke Palmer) needs Shane's help.
Arizona's bad day escalates when she advises a patient on a potential double amputation; Derek breaks a promise; Stephanie and Jo find an abandoned baby; the nonfraternization rule leads to a suspension.
Couples panic when the hospital announces a nonfraternization policy; Owen and Emma discuss the future; Meredith and Cristina have some girl time; Richard asks the residents for help with a rare cancer case.
The doctors are faced with the consequences of the events at April's wedding; Alex reacts to the news about his father; Callie and Arizona make a decision about their relationship.
Meredith and Cristina bicker about their careers; Bailey talks to Ben about him moving back to Seattle; Shane puts himself in a risky situation; Derek receives a life-changing phone call.
April's visiting sisters get on her nerves; when Matthew and Jackson witness an accident, they must work together; Callie and Arizona work on their relationship.
Ben worries that an innocent conversation with Derek could end up causing problems for Bailey; Cristina turns to Shane as tension with Meredith increases; April's upcoming wedding creates an uncomfortable situation for Stephanie and Jackson.
As Callie is faced with a malpractice suit, her supportive father (Hector Elizondo) visits and shares a secret; past details about Callie and Arizona's marriage are revealed.
A betrayal intensifies the issues between Cristina and Meredith; Matthew and April make a decision about their relationship; Bailey faces difficulties with Ben's return.
Costumed patients create a challenge for the doctors; Derek and Ben work on a new surgical technique; Richard asks a resident to perform his next surgery, angering Bailey.
Callie and Derek collaborate on a brain mapping project; Meredith thinks about continuing her mom's research; Shane's guilt persists.
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.
Give me the lay of the land.
Jackson admits that he thinks April's faith and beliefs are ridiculous.
Callie and Arizona decide to flip a coin to see who will carry their child. Will Callie get pregnant? Or will Arizona?
Behind the scenes of Grey’s Anatomy: The Music Event, airing March 31st.
Remember The Time: Sneak Peek
Never say it's a slow day.
Jackson's almost death has stirred something inside April. She wants Jackson, but is engaged to another man. Jackson just needs to give a reason for her not to marry Matthew and they could be together.
I can't move backwards.
Alex and his dad are having a good time until family is brought up. Alex's anger boils over when learns he has a half-brother his father hasn't seen in years.
Derek is going to focus on his research for awhile to help take care of the kids and Meredith will use this extra time to pursue her own work; the perfect solution.
Arizona's desperate to do something about Leah. Leah was a stage one clinger for Alex and she went from zero to I love you in seven seconds...not what Arizona wanted to hear.
Callie and Arizona were absolutely devastated when they learned Arizona lost the baby. Callie would like to try again, but Arizona has second thoughts.
Callie might not be able to brush off Arizona's lost weekend so easily now that she's knows it was with Leah.
Grey's Anatomy sneak peek.
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