Couples panic when the hospital announces a nonfraternization policy.
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.
A sexually transmitted disease affects members of the hospital staff.
Meredith becomes disenchanted with her ignorance of parts of Derek's life.
Derek and Meredith try to be discreet after spending the night together.
Alex works hard to gain the trust of Annie, a patient with a large tumor.
Meredith believes she erred during surgery and endangered her career.
Cristina's encounter with a former nurse changes her forever.
The emergency room fills with patients from the annual bike-messenger race.
Meredith puts her career on the line to save a newborn
Meredith Grey and four other surgical interns try to balance life and work.
Meredith comes clean with Derek about her true feelings for the sexy, married surgeon.
Patrick Dempsey and Michelle Monaghan hit the red carpet for the New York premiere of their new romantic comedy, "Made of Honor."
"Grey's Anatomy" star Patrick Dempsey attends the London premiere of his romantic comedy "Made of Honor."
Meredith and Alex have it out when it comes to calling dibs on caring for wounded patient.
See the first time they met, kissed and fell in love, get ready to watch the show everyone is talking about.
After endlessly paging him for help with a patient in serious need of help, Izzie gives Alex a piece of her mind.
Derek awaits his love interest, Meredith, as the two get ready to 'take a ride.'
The interns let loose at Meredith's party after putting in some long, hard hours at work.
It's not easy for interns at Seattle Grace, but if one thing can get them going, it's Dr. Bailey.
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