Season 4, Episode 7 Physical Attraction...Chemical Reaction

First Aired: November 9, 2007

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.

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  • Premiered: March 27, 2005
  • Rating: TV-14
  • Premise: Doctors at a Seattle teaching hospital hone their bedside manners on and off the job in this medical drama. (more)

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