A "DATE AND TELL" POLICY IS INSTATED AT SEATTLE GRACE, LEADING TO SOME SURPISING REVELATIONS, AS NEWS OF BURKE TORMENTS CRISTINA, ON ABC'S "GREY'S ANATOMY"

Loretta Devine ("Eli Stone") and Amy Madigan ("Gone Baby Gone") Guest Star

"The Becoming" � The nurses' objections to McSteamy's trysts lead to the instating of a new "date and tell" policy. Meanwhile news of Burke's latest career achievements force Cristina to face her feelings for her ex, Meredith and Derek admit a veteran soldier into their clinical trial, and Callie turns to Sloan in her time of need, on "Grey's Anatomy," THURSDAY, MAY 8 (9:00-10:02 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, T.R. Knight as George O'Malley, 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 and Brooke Smith as Erica Hahn.

Guest starring Amy Madigan as Dr. Wyatt, Lauren Stamile as Rose, John M. Jackson as Kevin, Benny Ciaramello as Darren, Zilah Mendoza as Kyra, David Giuntoli as Todd and Loretta Devine as Adele.

"The Becoming" was written by Tony Phelan and Joan Rater and directed by Julie Ann Robinson.

"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. A TV parental guideline will be posted closer to airdate.

This episode of "Grey's Anatomy" will be available on ABC.com the day after airing on the network for users to watch online.