DEREK, ENGAGEMENT RING IN HAND, SEARCHES FOR THE PERFECT WAY TO PROPOSE TO MEREDITH, ON ABC'S "GREY'S ANATOMY"

Guest Starring Academy Award �-Nominated Actress Mary McDonnell ("Passion Fish," "Battlestar Galactica") as Dr. Dixon, Golden Globe-Nominated Actress Melissa George ("In Treatment," "Alias") as Sadie, and Jessica Capshaw ("The Practice") as Dr. Arizona Robbins

"Beat Your Heart Out" � Now that Derek has the engagement ring, he searches for the perfect way to propose to Meredith, as Lexie demands that Mark go public with their relationship, and Bailey, encouraged by her work on recent cases and by Dr. Dixon, considers a new direction for her medical career, on "Grey's Anatomy," THURSDAY, FEBRUARY 5 (9:00-10:02 p.m., ET) on the ABC Television Network

Note: This program will repeat Sat., Feb. 7 from 8:00-9:00 p.m., ET.

"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 Kevin McKidd as Owen Hunt.

Guest starring Jessica Capshaw as Dr. Arizona, Jennifer Westfeldt as Jen, Ben Shenkman as Rob, Peter Mackenzie as Warren, Laura Allen as Beth, Brandon Scott as Intern Ryan, with Melissa George as Sadie and Mary McDonnell as Dr. Dixon.

"Beat Your Heart Out" was written by William Harper and directed by Julie Anne 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.