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CRISTINA AND BURKE'S WEDDING DAY ARRIVES -- ALONG WITH THE INTERNS' EXAM RESULTS -- AND A SUCCESSOR TO THE CHIEF IS NAMED, ON ABC'S "GREY'S ANATOMY"

Guest Stars Include Diahann Carroll as Jane Burke, Loretta Devine ("Crash") as Adele Webber And Elizabeth Reaser ("Sweet Land") as Ava/Jane Doe

"Didn't We Almost Have It All" - Cristina and Burke's wedding day arrives - along with the interns' first exam results - and a successor to the Chief is named, as Callie and George make a big decision about their relationship, on "Grey's Anatomy," THURSDAY, MAY 1 (8:00-9:00 p.m., ET) on the ABC Television Network. (Rebroadcast. OAD 5/17/07 & 9/20/07)

Note: This episode replaces the episode "Do You Know?"

"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, Kate Walsh as Addison Shepherd, Sara Ramirez as Callie Torres and Eric Dane as Mark Sloan.

"Didn't We Almost Have It All" was written by Tony Phelan and Joan Rater and directed by Rob Corn.

"Grey's Anatomy" is broadcast in 720 Progressive (720P), ABC's selected HDTV format, with 5.1-channel surround sound and Spanish audio via SAP. This program carries a TV-14 parental guideline.