"It Was Inevitable" is the eighteenth episode of the fifth season of Private Practice and the 94th produced episode of the series. It is also the 261st produced episode of the Grey's Anatomy franchise. It was broadcast on April 17, 2012.
Charlotte and Cooper try to help Mason come to terms with Erica's rapidly deteriorating health, and Charlotte tries to convince Erica to see her son before the inevitable. Meanwhile, Addison tries to help Amelia embrace motherhood which dealing with her own escalating personal issues as Sam and Jake both begin to question their feelings for her. The doctors are faced with the tragic case of a pregnant woman jailed for murdering her two children and Pete and Violet realise there are still feelings between them.
- "Mr. Bright Eyes" - Rebecca Ferguson
- "Normal Song" - Perfume Genius
- "Now Is The Start" - A Fine Frenzy