PRIVATE PRACTICE - "Worlds Apart" - Pete's girlfriend, Meg, returns to Los Angeles and notices that Pete and Violet are considerably closer; Kevin questions the direction he and Addison are headed in as a couple; Cooper treats a young diabetic boy with a mysterious past; and Charlotte and her team of Pacific Wellcare doctors continue to siphon business away from Oceanside Wellness, on "Private Practice," WEDNESDAY, DECEMBER 17 (9:00-10:01 p.m., ET) on the ABC Television Network. (ABC/RICHARD CARTWRIGHT) PAUL ADELSTEIN, KATE WALSH