A car crash involving students going to their college graduation takes its toll on the residents in the ER, Derek's wedding gift is uniquely suited for Meredith - even if ...

Izzie's mother comes to town, a little girl shoots her father triggering a conflict between Meredith and the chief, Thatcher reappears, and Callie gets her first taste of ...

Izzie bites off more than she can chew on her first day of chemotherapy, Mark and Derek are forced to work on the same patient, Meredith's plans for a simple wedding take ...

Derek returns to operate on Izzie, whose friends use their duties as residents to avoid her, especially George who feels betrayed because Izzie never told him about what ...

As Derek continues his hiding in the woods, all hands are on deck in an effort to get him back. Izzie insists that Cristina keep her secret about her cancer, while snicke ...

Derek falls apart after the death of his most recent patient, but Meredith is trying hard not to let him give up; Alex refuses to give up on a patient who had an epilepti ...

A mistake in the clinic mixes Izzie's test results with someone else's and sends her on a mission; a mistake by a general surgeon sends Cristina on a mission of her own; ...

Owen runs into someone very special from his past. Izzie employs her fellow doctors in a medical game made to help teach the interns. Naomi, Sam and Addison rush Archer t ...

Cristina carries on an intense flirtation with Owen, Derek gets advice from everyone on how to propose, Izzie gets some tests done, and Bailey's promotion may stand in th ...

Derek's death row patient attempts suicide and Meredith looks the other way while everybody scrambles for an organ donor. Lexie keeps stumbling into walls after putting M ...

Derek refuses to let a death row inmate die from injuries sustained in a prison riot, Miranda refuses to let a little boy die because he can't get the badly-needed transp ...

Bailey doesn't see eye-to-eye with the new pediatric surgeon on a case she's been involved in for some time. Derek doesn't see eye-to-eye with a patient who's on death ro ...

The race for a resident's first solo surgery comes down to Cristina, who was disqualified because of the actions of her interns, while at the same time is put under press ...

The interns ask for help from Cristina and Meredith when their back room study group has a set back while Izzie continues to wrestle things in her mind by herself. Patien ...

Meredith's best friend from college shows up on her doorstep and Cristina feels threatened by it. Meredith thinks Sloan is putting the moves on her half-sister and asks D ...

The residents compete for the opportunity to be the first one to solo, but Izzie's demons return in the form of a patient of Dr. Hahn's, who finds out the real reason her ...

The new military doctor brings a new training method to the residents and interns for dealing with trauma, while Miranda is presented with the task of treating a ten year ...

George's first day as a resident includes being on a team of surgeons who is performing six kidney transplants in one day, which helps to distract him in seeing that Lexi ...

Callie worries over her first real date with Erica. Cristina stumbles upon a neglected area of the hospital. ...

Determined to reverse Seattle Grace's slide into mediocrity, the chief lays down some new rules for interns and residents with which no one's happy. Derek asks Meredith f ...

As a group of best friends deal with the aftermath of their car crash, Dr. Torres takes the lead on a groundbreaking course of treatment for one of the patients. Meanwhil ...

Meredith and Derek find that happily ever after isn't as easy as they hoped, Cristina finds interest in a military doctor, and the Chief is surprised to hear that Seattle ...

Meredith and Derek are at odds over whether or not to continue with their 13th clinical trial patient and the doctors lift the final critical pieces of cement from the yo ...

A surgical team battles the clock as they try to save a boy encased in cement, Karev's situation with an ever-disintegrating Ava brings back painful memories that interfe ...

Meredith's therapist tries a different tactic in not allowing her to give up and quit her therapy, while Cristina's therapy consist of taking it out on everyone around he ...

The new clinical trial patient has a secret, Yang is dealt a blow from a distance by Burke, the nurses refuse to work with Sloan, and Meredith's therapist tells her some ...

Addison is not prepared for all the changes that greet her upon her return to Seattle Grace for a specialized surgery, Meredith and Derek begin their clinical trial, Izzi ...

The judgment of the residents is skewed by a competition, Meredith tries therapy and a bear attack may be more than it appears. ...

Bailey's son comes to the ER, Derek takes a housing step that puts pressure on Meredith, Izzie has a crisis of faith, and Cristina's choice may change her course with Hah ...

Tragedy abounds for everyone at Seattle Grace as they all continue in efforts to get the paramedic out of the overturned ambulance, stop the bleeding of a man who won't q ...

An accident in the ER bay leaves two paramedics fighting for their lives, and a third who refuses Bailey's care. Meanwhile, Alex juggles two women, and Lexie begins to bo ...

Bailey crosses the line when the guy she had a crush on in high school shows up in the ER during an onslaught of high school students involved in a bus crash. The Grey si ...