PRIVATE PRACTICE - "Short Cuts" - Violet and Cooper make amendments to their friendship in order to please their significant others; Pete and Cooper get in an argument involving marijuana use by a patient (guest starring Justine Bateman as Sydney); Addison is conflicted about going public with her new romance, and Sheldon's decision to deny approval for a patient's sex change backfires, on "Private Practice," THURSDAY, SEPTEMBER 30 (10:01-11:00 p.m., ET) on the ABC Television Network. (ABC/ADAM TAYLOR) PAUL ADELSTEIN, AARON SANDERS