Grey's Anatomy TV Show - Grey's Anatomy Television Show - Yahoo! TV

As Cristina weighs her marriage proposal, Ellis (Kate Burton) experiences a change in her medical condition; and a surgical patient endangers the lives of her surgeons when her blood becomes toxic. Meanwhile, the Denny Duquette Memorial Clinic opens.

The beginning of a three-part story arc in which a ferryboat disaster poses stern challenges to the interns. Meanwhile, Cristina has trouble telling Meredith that she and Burke are engaged; and Sydney (Kali Rocha) decides she wants to be chief resident.

As Bailey, Burke, Addison and the chief work feverishly to save her life, Meredith receives affirmation from an unexpected source. But Cristina can t cope with the prospect of her “person” not pulling through.

The race for chief heats up as a new competitor enters the race; tensions mount between Izzie and George; Callie must reveal a big secret; Derek treats a patient close to him; and Alex continues his work with Jane Doe (Elizabeth Reaser).

Highlights from the series first three seasons. Jeffrey Dean Morgan (Denny Duquette) hosts.

While the interns cram for an exam, the attendings jockeying to succeed Webber as chief offer the very best of care to a very important patient: the hospital s board chair. Meanwhile, Burke plans his wedding without much help from Cristina.

Addison takes a leave of absence to visit old medical-school friends in Los Angeles; Meredith s stepmother (Mare Winningham) arrives at the hospital with hiccups; Cristina reluctantly plans her wedding, with the help of her mother (Tsai Chin).

On the day before Burke and Cristina s wedding and the day of Susan Grey s funeral, the attendings treat injured mountain climbers while the interns take their first-year exams. Meanwhile, Cristina struggles to write her vows.

Cristina and Burke s wedding day arrives, as do the final-exam results for the interns. Meanwhile, George and Callie arrive at a decision about their future as a couple; Adele Webber has emergency surgery.

The residents and interns treat the victims of an apartment-building explosion, while Alex investigates its cause; Mama Burke (Diahann Carroll) returns to collect her son s things while Cristina gets rid of her wedding presents.

George s skill level at the hospital impresses the new interns, who don t know his repeater status. But life isn t as simple at home, where George feels he must tell Callie about his indiscretion with Izzie.

Halloween is a day of surprises (both good and bad) for the doctors of Seattle Grace: Alex receives an unexpected visit from Ava/Rebecca (Elizabeth Reaser); Meredith is convinced that her mother s ashes are haunting her.

With his wife filing for divorce, the Chief decides he needs to spend a “gentlemen s evening” with his fellow male surgeons; Cristina and Izzie heatedly compete for the same surgeries (and the favor of new cardiothoracic chief Erica Hahn).

Part 1 of the two-part Season 6 premiere. The staff of Seattle Grace tries to cope with George s death. Meanwhile, George s mother (Debra Monk) arrives, but can t decide what to do with his organs.

The ER is filled with teenagers after a school-bus crash; Bailey treats a patient who was her high-school crush; Derek dates a fellow doctor; and Thatcher (Jeff Perry) sees Meredith for the first time since his second wife Susan s death.

Conclusion. Meredith works furiously to save a paramedic trapped in an ambulance; Lexie literally holds the life of a patient (Seth Green) in her hands; Derek must rely on nurse Rose (Lauren Stamile) to save a patient when an OR computer breaks down.