"Til Death Do Us Part" is the fifteenth episode of the third season of Private Practice and the 46th produced episode of the series. It is also the 163rd produced episode of the Grey's Anaromy franchise. It was broadcast on February 18, 2010.
On Maya's wedding day a still-distant Naomi continues to refuse to play a part in the ceremony while Sam is forced to put his own hesitations aside to support his daughter. Naomi, Addison and Pete work to save a premature infant, but Addison begins to question if they're doing more harm than good while Addison and Pete's fling continues. Cooper begins to question the ability of a surgeron on a peads case with him, who also happens to be Charlotte's new boyfriend.
- "Dog Stars" - Kaiser Cartel
- "(I've Got) Beginner's Luck" - Ella Fitzgerald