CRISTINA IMAGINES HER LIFE GOING IN DIFFERENT DIRECTIONS ON ABC'S "GREY'S ANATOMY"

"Do You Know?" - Cristina imagines the two routes her life can take based on one decision she makes. Meanwhile one of the hospital's patients decides whether or not to live, on "Grey's Anatomy," THURSDAY, MARCH 27 (9:00-10:00 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, Justin Chambers as Alex Karev, Chandra Wilson as Miranda Bailey, James Pickens, Jr. as Richard Webber, Sara Ramirez as Callie Torres, Kevin McKidd as Owen Hunt, Jessica Capshaw as Arizona Robbins, Jesse Williams as Jackson Avery, Sarah Drew as April Kepner, Camilla Luddington as Jo Wilson, Gaius Charles as Shane Ross, Jerrika Hinton as Stephanie Edwards and Tessa Ferrer as Leah Murphy.

Guest starring: Anne Dudek as Elise Castor and Charlie Hofheimer as Jason Castor.

"Do You Know?" was written by Stacy McKee and directed by Chandra Wilson.

"Grey's Anatomy" is broadcasted in 720 Progressive (720P), ABC's selected HTV format, with 5.1-channel surround sound. A TV parental guideline will be assigned closer to airdate.

For more information on "Grey's Anatomy" please visit ABC.com.