MEREDITH AND GEORGE SUDDENLY FIND THEMSELVES AT ODDS, BAILEY SUITS UP AGAIN TO TREAT AN UNUSUAL ISSUE FOR ADDISON, AND ALEX BECOMES JEALOUS OF DENNY, ON ABC�S �GREY�S ANATOMY�

�What Have I Done to Deserve This?� � Meredith and George suddenly find themselves at odds at work. Meanwhile Bailey, although technically still on maternity leave, finds herself treating Addison for an unusual feminine issue, and Alex finds himself oddly jealous when Izzie pays more attention to Denny, on �Grey�s Anatomy,� SUNDAY, FEBRUARY 26 (10:00-11:00 p.m., ET) on the ABC Television Network.

�Grey�s Anatomy� stars Ellen Pompeo as Meredith Grey, Patrick Dempsey as Derek Shepherd, Sandra Oh as Cristina Yang, Isaiah Washington as Preston Burke, Katherine Heigl as Isobel �Izzie� Stevens, Justin Chambers as Alex Karev, T.R. Knight as George O�Malley, Chandra Wilson as Miranda Bailey, James Pickens, Jr. as Richard Webber and Kate Walsh as Addison Shepherd.

Guest cast TBD.

�What Have I Done to Deserve This?� was written by Stacy McKee and directed by Wendey Stanzler.

�Grey�s Anatomy� is broadcast in 720 Progressive (720P), ABC�s selected HDTV format, with 5.1-channel surround sound and Spanish subtitles via secondary closed captioning.

A TV parental guideline will be assigned closer to airdate.