A PATIENT CARRYING SURROGATE BABIES IS LEFT IN A COMA AFTER THE FAMILIES FOREGO ADDISON'S MEDICAL ADVICE, ON ABC'S "PRIVATE PRACTICE"

"Triangles" � When Addison's patient and the life of the three unborn babies she is carrying as a surrogate hang in the balance, Sam's new girlfriend, Vanessa, and Addison are sharply divided on the course of treatment. Meanwhile Cooper seeks Sheldon's help with a young patient, but their personal quarrels over Charlotte get in the way, and Naomi has a dilemma of her own between William and an unexpectedly charming Dr. Fife, on "Private Practice," THURSDAY, MARCH 11 (10:01-11:00 p.m., ET) on the ABC Television Network.

"Private Practice" stars Kate Walsh as Dr. Addison Forbes Montgomery, Tim Daly as Dr. Pete Wilder, Audra McDonald as Dr. Naomi Bennett, Paul Adelstein as Dr. Cooper Freedman, KaDee Strickland as Dr. Charlotte King, Chris Lowell as William Dell Parker, with Taye Diggs as Dr. Sam Bennett and Amy Brenneman as Dr. Violet Turner.

Guest cast: Brian Benben as Sheldon, James Morrison as William, Michael Patrick Thorton as Gabriel Fife, Christina Chang as Vanessa, Monica Keena as Kayla, Derek Phillips as Eddie, Judith Hoag as Angie, Michael Reilly Burke as Simon, Madeline Carroll as Maggie, Lauren Bowles as Cyndy and Todd Babcock as Joe.

"Triangles" was written by Steve Blackman and directed by Tom Verica.

"Private Practice" is broadcast in 720 Progressive (720P), ABC's selected HDTV format, with 5.1-channel surround sound and Spanish subtitles via secondary closed captioning. A TV parental guideline will be posted closer to airdate.

For more information on "Private Practice," visit ABC.com.