Physical Attraction...Chemical Reaction

EPISODE:

Episode Info

George and Izzie's romantic chemistry is put to the test; Derek asks for more than just sex from Meredith; Mark develops an unexpected crush on a fellow surgeon; and Callie's job as chief resident is jeopardized after she delegates many of her duties to Bailey.

Cast

Ellen Pompeo
as Meredith Grey
Patrick Dempsey
as Derek Shepherd
Sandra Oh
as Cristina Yang
Katherine Heigl
as Izzie Stevens
T.R. Knight
as George O'Malley
Chandra Wilson
as Miranda Bailey
James Pickens Jr.
as Richard Webber
Sara Ramirez
as Callie Torres
Eric Dane
as Mark Sloan
Chyler Leigh
as Lexie Grey
Jeff Perry
as Thatcher Grey
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Physical Attraction...Chemical Reaction Photos