AFTER THE SUDDEN DEATH OF A BURN PATIENT IN THE ER, THE CHIEF MUST FINDTHE CULPRIT AMONG THE MERCY WEST AND SEATTLE GRACE RESIDENTS, ON ABC'S "GREY'S ANATOMY"

"I Saw What I Saw" � After a burn victim unexpectedly dies in the midst of a chaotic ER, the Chief and board member Jennings interrogate the residents to find the culprit, as all the Mercy West and Seattle Grace resident defends their actions in an effort to save their jobs, on "Grey's Anatomy," THURSDAY, FEBRUARY 25 (9:00-10:01 p.m., ET) on the ABC Television Network. (Rebroadcast: OAD: 10/22/09)

"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 Robert Baker as Charles, Sarah Drew as April, Bill Fagerbakke as Roy, Erinn Hayes as Cathy, Mitch Pileggi as Larry, Jesse Williams as Jackson and Nora Zehetner as Reed.

"I Saw What I Saw" was written by William Harper and directed by Allison Liddi-Brown.

"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. This program carries a TV-14 parental guideline.

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