ALEX LEARNS THE TRUTH ABOUT REBECCA'S MEDICAL CONDITION, AS DR. WYATT REFUSES TO ALLOW MEREDITH TO QUIT THERAPY, ON ABC'S "GREY'S ANATOMY"

Amy Madigan ("Gone Baby Gone") Guest Stars

"Losing My Mind" � Dr. Wyatt refuses to let Meredith give up on therapy, Alex learns the truth about Rebecca's medical condition, the Chief insists that Erica perform a risky surgery on his mentor, and after receiving news of Burke, Cristina continues to do things contrary to her nature, going so far as cleaning her always-messy apartment, on "Grey's Anatomy," THURSDAY, SEPTEMBER 11 (9:00-10:00 p.m., ET) on the ABC Television Network (Rebroadcast. OAD 5/15/08)

"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 cast TBD.

"Losing My Mind" was written by Debora Cahn and directed by Jim Frawley.

"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.

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