PRIVATE PRACTICE - "Sins of the Father" -- Addison is shaken by the unwelcome arrival of her father to Los Angeles, Cooper is arrested when he refuses to cooperate in a case involving a longtime patient, and Pete fights to keep a terminally ill patient alive long enough for him to meet his new daughter, on "Private Practice," THURSDAY, NOVEMBER 19 (10:01-11:00 p.m., ET) on the ABC Television Network. (ABC/ADAM TAYLOR) STEPHEN COLLINS, KATE WALSH