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COOPER AND CHARLOTTE DO THEIR BEST TO KEEP MASON STRONG AS HE FACES HIS MOTHER'S RAPIDLY-DETERIORATING CONDITION, WHEN ABC'S "PRIVATE PRACTICE" MOVES TO A NEW NIGHT, TUESDAY, APRIL 17

Guest Starring A.J. Langer ("My So-Called Life") and Anika Noni Rose ("Dreamgirls")

"It Was Inevitable" - As Erica's medical condition rapidly worsens, Cooper and Charlotte do their best to prepare an in-denial Mason; Violet and Pete, both single again, find they still have feelings for each other; Addison encourages Amelia to embrace her impending motherhood, and Sheldon and Jake work with a devastating case in which a woman, jailed for killing her two children, is pregnant with a third, when "Private Practice" moves to a new night, TUESDAY, APRIL 17 (10:01-11:00 p.m., ET) on the ABC Television Network.

Note: This episode was originally scheduled for March 22.

"Private Practice" stars Kate Walsh as Dr. Addison Forbes Montgomery, Tim Daly as Dr. Pete Wilder, Benjamin Bratt as Jake Reilly, KaDee Strickland as Dr. Charlotte King, Paul Adelstein as Dr. Cooper Freedman, 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 A.J. Langer as Erica and Anika Noni Rose as Corinne. Other guest cast TBA.

"It Was Inevitable" was written Adele Lim and Christopher Fife and directed by Bill Purple.

"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.