TENSION CONTINUES TO RISE AT SEATTLE GRACE WHEN RICHARD AND OWEN COMPETE FOR AN ELABORATE SURGERY, ON ABC'S "GREY'S ANATOMY"

"Push" � A patient who needs an extremely difficult surgery comes to Seattle Grace, and it's Richard and Owen who vie for the opportunity to tackle it. But the decision lies in the hands of Derek, who deems that Owen should take on the surgery, leaving Richard bitter. Meanwhile, Bailey deals with her own personal struggles when she nervously prepares for another date with Ben, on "Grey's Anatomy," THURSDAY, MARCH 11 (9:00-10:01 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, Katherine Heigl as Isobel "Izzie" Stevens, Justin Chambers as Alex Karev, 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, Kevin McKidd as Owen Hunt and Jessica Capshaw as Arizona Robbins.

Guest starring Kim Raver as Teddy, Diane Venora as Audrey, Dennis Boutsikaris as Don, Jesse Williams as Jackson, Jason George as Ben, Moon Zappa as Kelly, Geoffrey Blake as Jim, Roshawn Franklin as Todd and Elizabeth Ho as Molly.

"Push" was written by Deborah Cahn and directed by Chandra Wilson.

"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.

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