Grey's Anatomy [OmU]

The doctors of Seattle Grace help Izzie cope with the loss of her fianci, Denny, and her decision to quit the internship program. Meredith must decide what the future holds after her hospital liaison with Derek. The Chief is confronted by his wife, Adele, after spending the night in his office, and George seeks relationship advice from a surprising source.

Cristina meets Burke's parents -- and in the most awkward of circumstances -- the interns campaign for Izzie's reinstatement to the surgical intern program, Addison takes a break from her hospital duties, and a surgical patient lives what may be her last day to the fullest.

Cristina tries to help Preston cope with his hand tremor, Izzie attempts to return to the hospital for the first time since she quit the program, Alex deals with a patient who has a long history of injuries, and George and Callie's relationship moves forward.

Addison doubts her abilities as a doctor, Cristina pushes Burke's rehabilitation, one of the interns suffers their own medical emergency, and Izzie receives the surprise of her life.

Bailey treats a young mother battling breast cancer, Derek learns more about Mark and Addison's relationship, the interns defend a resident's competence at a hospital staff meeting, and Meredith and Addison examine a couple who find themselves in a rather awkward position.

Cristina scrubs in on the rare 'humpty dumpty' procedure, much to the envy of her fellow doctors, Alex questions his future medical specialty, George and Addison work with a pregnant woman with an unusual dilemma, and Derek receives a surprise visit from his sister.

The men of Seattle Grace go on a camping trip together, Addison and Callie must team up to work on a patient, Meredith assists Sloan with a procedure unlike any she has experienced, and, suspicious of her recent actions at the hospital, Bailey confronts Cristina.

The O'Malley Family visits George at the hospital, Meredith is determined to have a more positive outlook on life, Derek and Addison strive for a civil relationship, and Richard endeavors to reunite with his wife, Adele.

A traumatic car accident fills the ER, Cristina has a crisis of conscience about her deceptive teamwork with Burke, and Izzie pushes the boundaries of her probation.

Recent events strain Burke and Cristina's relationship, Meredith's half-sister, Molly, is admitted to the hospital, and Mark and Derek must work together when two close-knit brothers seek medical help.

After a successful operation on his heart, George's father undergoes surgery for his cancer, Thatcher Grey visits Seattle Grace in order to see his new granddaughter, and Meredith discovers that Derek has trouble sleeping soundly.

After a successful operation on his heart, George's father undergoes surgery for his cancer, Thatcher Grey visits Seattle Grace in order to see his new granddaughter, and Meredith discovers that Derek has trouble sleeping soundly.

While rumors of the Chief's departure spread among the hospital staff, Bailey proposes the creation of a free clinic, and a Seattle Grace doctor receives a proposal of a different sort.

The race for the Chief's position is on, as the doctors compete for Richard's affections, a surgical patient endangers the lives of those around her, and Meredith's Alzheimer's-stricken mother, Ellis, experiences a change in her medical condition.

A three-episode story arc that challenges the interns of Seattle Grace - and "Grey's" fans as well - like never before.

The three-episode story arc continues with a part two that challenges the interns of Seattle Grace -- and Grey's fans as well -- like never before.

One person's fight to live affects everyone at Seattle Grace.

The race for chief heats up after a new competitor enters the fray, tensions escalate between Izzie and George, and Callie must reveal a big secret. Meanwhile, Derek treats a patient near and dear to him, while Alex continues his work with Jane Doe.

George meets his new father-in-law (and is no condition to make a good impression), Alex helps Jane Doe determine how the world will see her from now on, the hospital board begins interviewing the candidates for the Chief's position, and Izzie wrestles with a startling revelation.

Izzie faces her past and finds comfort in George, while Alex becomes more attached to Jane Doe, Meredith and Derek question their own status, and Cristina resolves to fight for her relationship with Burke -- despite her past with Colin Marlow.

As the interns of Seattle Grace cram for their upcoming exam, the attendings vie for the Chief's position by tending to the chairman of the hospital board after he's admitted as a patient. Meanwhile, Burke struggles to involve Cristina in the wedding planning, things heat up between Addison and Alex, and Derek questions his relationship with Meredith.

Addison takes temporary leave from Seattle Grace and makes a road trip to Los Angeles in order to visit some old friends from medical school. As Meredith continues to bond with her stepmother, Susan, Cristina reluctantly plans her wedding with the assistance of her mother, Helen, and Burke’s mother, Mama Jane.

Addison takes temporary leave from Seattle Grace and makes a road trip to Los Angeles in order to visit some old friends from medical school. As Meredith continues to bond with her stepmother, Susan, Cristina reluctantly plans her wedding with the assistance of her mother, Helen, and Burke’s mother, Mama Jane. Meanwhile, Derek must perform emergency surgery on Ava/Jane Doe, as Alex contin...

The interns take the biggest test of their careers, their first-year medical exams, as the residents attend to three injured mountain climbers. Meanwhile Callie's suspicions of George and Izzie grow, and Cristina struggles to write her wedding vows.

Cristina and Burke's wedding day arrives - along with the interns' first exam results - and a successor to the Chief is named, as Callie and George make a big decision about their relationship.