MEREDITH'S WORK SUFFERS GREATLY AS THE STRESS OF CARING FOR HER MOTHER TAKES ITS TOLL, ON ABC'S "GREY'S ANATOMY"

"Shake Your Groove Thing" - An exhausted Meredith thinks she may have made a mistake during surgery, which could jeopardize her career. Meanwhile Izzie's plan to throw a party for her new boyfriend goes completely awry, and Alex deals with a patient who is addicted to painkillers, on "Grey's Anatomy," SUNDAY, JULY 24 (10:00-11:00 p.m., ET) on the ABC Television Network. (Rebroadcast. OAD: 4/24/05)

"Grey's Anatomy" stars Ellen Pompeo as Meredith Grey, Patrick Dempsey as Derek Shepherd, Sandra Oh as Cristina Yang, Isaiah Washington as Preston Burke, Katherine Heigl as Isobel "Izzie" Stevens, Justin Chambers as Alex Karev, T.R. Knight as George O'Malley, Chandra Wilson as Miranda Bailey and James Pickens, Jr. as Richard Webber.

Guest starring are Brent Sexton as Jerry Frost, Jonathan Scarfe as Hank, Kathryn Joosten as Mrs. Drake, Barry Shabaka Henley as Mr. Patterson and Kate Burton as Ellis Grey.

"Shake Your Groove Thing" was written by Ann Hamilton and directed by John David Coles.

"Grey's Anatomy" is broadcast in 720 Progressive (720P), ABC's selected HDTV format, with 5.1-channel surround sound.

This program carries a TV-14 parental guideline.