MEREDITH RELUCTANTLY HELPS LEXIE WITH HER FIRST SURGICAL PROCEDURE, WHILE LEXIE HELPS KEEP GEORGE'S "REPEATER" STATUS A SECRET FROM THEIR FELLOW INTERNS, ON ABC'S "GREY'S ANATOMY"

Edward Herrmann ("Gilmore Girls") Guest Stars as Doctor Norman Shales

"Let the Truth Sting" � The new interns are dazzled by the skill level of fellow intern George, while Lexie helps keep his "repeater" status a secret; Meredith half-heartedly helps Lexie with her first emergency patient; Sloan and Richard attempt a radical, new surgery to save a woman's ability to speak; and George is compelled to tell Callie of his past indiscretion with Izzie, on "Grey's Anatomy," THURSDAY, DECEMBER 20 (9:00-10:02 p.m., ET) on the ABC Television Network. (Rebroadcast. OAD 10/11/07)

"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, and Chyler Leigh as Lexie Grey.

Guest Cast: Edward Herrmann as Norman, Caroline Aaron as Connie, Eve Gordon as Mary, Amy Hill as Joanne, Debra Christofferson as Elaine and Jack Axelrod as really old guy.

"Let the Truth Sting" was written by Mark Wilding and directed by Dan Minahan.

"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.