SHELDON FEARS THE WORST IN THE SAINT AMBROSE HOSPITAL'S MISSING GIRL CASE, ON ABC'S "PRIVATE PRACTICE"

Guest Starring Matt Long ("Mad Men") and Kathy Baker ("Medium")

"I'm Fine" - During a dark moment in his life, Sheldon finds happiness with a new woman. Meanwhile, he becomes increasingly suspicious about his patient Nick's involvement in Sarah's disappearance, on "Private Practice," TUESDAY, DECEMBER 11 (10:00-11:00 p.m., ET) on the ABC Television Network.

"Private Practice" stars Kate Walsh as Dr. Addison Forbes Montgomery, Benjamin Bratt as Dr. Jake Reilly, KaDee Strickland as Dr. Charlotte King, Paul Adelstein as Dr. Cooper Freedman, Brian Benben as Dr. Sheldon Wallace, Caterina Scorsone as Dr. Amelia Shepherd, and Griffin Gluck as Mason Warner, with Taye Diggs as Dr. Sam Bennett and Amy Brenneman as Dr. Violet Turner.

Guest cast TBA.

"I'm Fine" was written by Gabriel Llanas and directed by Scott Printz.

"Private Practice" 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.

For more information on "Private Practice" please visit ABC.com/PrivatePractice