PRIVATE PRACTICE Preview: October 21 on ABC

"In or Out" - Much to her displeasure, Addison is teamed with a new oncologist, Dr. Rodriguez, to treat a newborn baby with a malignant tumor; when Violet and Sheldon visit a prison in order to interview inmates who are up for parole, Pete is highly uncomfortable as Violet tries to help a parolee; and Addison and Violet suggest Sheldon could be the solution for Amelia's needs, on "Private Practice," THURSDAY, OCTOBER 21 (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, Brian Benben as Dr. ShelDon Wallace and Caterina Scorsone as Dr. Amelia Shepherd, with Taye Diggs as Dr. Sam Bennett and Amy Brenneman as Dr. Violet Turner.

Guest starring Albert Hall as Lewis, Cristian de la Fuente as Dr. Rodriguez, David Guintoli as Daniel and Linara Washington as Tracy.

"In or Out" was written by Ayanna A. Floyd and directed by Ed Ornelas.

"Private Practice" is broadcast in 720 Progressive (720P), ABC's selected HDTV format, with 5.1-channel surround sound. A TV parental guideline will be assigned closer to airdate.

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