PRIVATE PRACTICE - "God Laughs" - Sam, Cooper, Charlotte and Amelia team up to save the life of their friend Pete after he suffers a heart attack, while Violet, who was in the middle of leaving Pete and LA, is nowhere to be found. Meanwhile, Addison's desire to have a baby leads her to see Jake Reilly, her recent mystery man, in a most surprising place, and Sheldon tries to help Amelia in her battle with alcohol, on the fifth-Season Premiere of "Private Practice," THURSDAY, SEPTEMBER 29 (10:02-11:00 p.m., ET) on the ABC Television Network. (ABC/ADAM TAYLOR) PAUL ADELSTEIN, TIM DALY