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

George works with Derek while Callie works with Meredith. Meanwhile, Finn (Chris O Donnell) gives an update on Doc s health, and Burke and Izzie keep looking for a heart for Denny (Jeffrey Dean Morgan). Brad: Ken Marino. Will: Jesse Head.

Denny s need for a new heart becomes critical; Cristina suddenly finds herself in charge in an ER; Richard has questions about a patient; Derek has a friend s life in his hands; Callie confronts George about his feelings for her.

Recapping the series so far, focusing on how the surgeons careers and relationships have developed.

As the interns campaign for Izzie s reinstatement, Cristina meets Burke s parents (Diahann Carroll, Richard Roundtree) under awkward circumstances. Meanwhile, Addison takes a break from her hospital duties.

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 treats a foster child (Abigail Breslin) with an incredibly high pain threshold.

Bailey treats a young mother with breast cancer; Derek learns more about Addison s relationship with Mark, and finds out that Meredith broke up with Finn; the interns defend Bailey at an M&M meeting on Denny s death.

Derek receives a surprise visit from his sister (Embeth Davidtz); Cristina scrubs in for a rare procedure, to the envy of her peers; Addison and George treat a pregnant woman with an unusual problem; and Alex ponders his future in medicine.

George s ailing father (George Dzundza) needs heart surgery; Meredith is determined to have a more positive outlook on life as she treats an injured girl who s closer to her nanny than her working mom; Derek and Addison try to be civil to each other.

Victims of a serious traffic accident fill the ER. Meanwhile, Cristina battles guilt about hiding Burke s tremor; Izzie tests the bounds of her probation.

Part 1 of 2. After a successful heart operation, George s father (George Dzundza) undergoes cancer surgery; Thatcher Grey (Jeff Perry) visits the hospital to see his new granddaughter; and Meredith discovers that Derek isn t a sound sleeper.

Part 1 of 2. After a successful heart operation, George s father (George Dzundza) undergoes cancer surgery; Thatcher Grey (Jeff Perry) visits the hospital to see his new granddaughter; and Meredith discovers that Derek isn t a sound sleeper.

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.