Private Practice Season 4 Episode 3 (Private Practice s04e03) with title “Playing God” aired on Thursday, October 7th 2010 at 10:00 pm via ABC Network.
Here is summary for Private Practice Season 4 Episode 3 :

The man responsible for endangering Maya’s life and killing Dell shows up at Oceanside Wellness with a heart condition, and Sam struggles with his responsibility to help; contrary to Violet’s warnings, Pete volunteers at a friend’s home medical clinic and ultimately puts a patient’s life at risk; and news of Addison’s new romance doesn’t go over well.