PRIVATE PRACTICE - "Step One" - Addison begins in vitro fertilization treatments with Jake's help, unbeknownst to Sam, Amelia is deeply conflicted when her terminally-ill friend, Michelle, asks her assistance in her suicide, and Sam and Violet contend with a patient who refuses his anti-psychotic medication, on "Private Practice," THURSDAY, OCTOBER 27 (10:02-11:00 p.m., ET) on the ABC Television Network. (ABC/JUSTIN LUBIN) TAYE DIGGS, KATE WALSH