WEDDING BELLS RING AND FAMILIES COME TOGETHER FOR CALLIE AND ARIZONA'S BIG DAY, ON ABC'S "GREY'S ANATOMY"

"White Wedding" - As Callie and Arizona's wedding approaches, the couple quickly realize that the day they've been looking forward to is not turning out the way they'd envisioned. Meanwhile Alex continues to make the other residents jealous as he appears to be the top contender for Chief Resident, Meredith and Derek make a decision that will change their lives forever, and Dr. Perkins presents Teddy with a very tempting proposition, on Grey's Anatomy," THURSDAY, MAY 5 (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, 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, Jessica Capshaw as Arizona Robbins, Kim Raver as Teddy Altman, Jesse Williams as Jackson Avery and Sarah Drew as April Kepner.

Guest cast includes Peter MacNicol as Dr. Stark, James Tupper as Andrew Perkins, Denis Arndt as Colonel Robbins, Hector Elizondo as Carlos Torres, Gina Gallego as Lucia Torres, Judith Ivey as Barbara Robbins.

"White Wedding" 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.