ADDISON'S PATIENTS ARE FORCED TO DO THE UNTHINKABLE -- CHOOSE WHICH ONE OF THEIR CHILDREN TO SAVE -- ON ABC'S "PRIVATE PRACTICE"

Guest Starring Rosanna Arquette ("Pulp Fiction," Desperately Seeking Susan") as Dink's Mom, Corinne.

"Shotgun" � Addison and Cooper counsel a couple who must make an unthinkable choice, to decide which one of their ailing daughters to save with their newborn's core blood. Sam is dealt another blow when he finds out Dink's intent to marry Maya, and the rest of the gang runs an intervention on a still distant Naomi, on "Private Practice," THURSDAY, FEBRUARY 4 (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 include Rosanna Arquette as Corinne, Brian Benben as Sheldon, Geffri Maya as Maya, and Stephen Lunsford as Dink.

"Shotgun" was written by Jon Cowan and Robert Rovner, and directed by Karen Gaviola.

"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.