PRIVATE PRACTICE - "In or Out" - Much to her displeasure, Addison is teamed with a new oncologist, Dr. Rodriguez, to treat a newborn baby with a malignant tumor; when Violet and Sheldon visit a prison in order to interview inmates who are up for parole, Pete is highly uncomfortable as Violet tries to help a parolee; and Addison and Violet suggest Sheldon could be the solution for Amelia's needs, on "Private Practice," THURSDAY, OCTOBER 21 (10:01-11:00 p.m., ET) on the ABC Television Network. (ABC/RON TOM) KATE WALSH, KADEE STRICKLAND, CRISTIAN DE LA FUENTE