PRIVATE PRACTICE - "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 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, on Private Practice, THURSDAY, MARCH 22 (10:02-11:00 p.m., ET) on the ABC Television Network. (ABC/KELSEY MCNEAL) KATE WALSH, BENJAMIN BRATT