The "Tourette's" episode immediately springs to mind, wherein Cartman, in the presence of the Broflowskys, mutters "Fat jew bitch" in regard to Mrs. Broflowski.
Cartman is always making anti-Semitic comments, I’m talking about programs that targeted Judaism and Jews.
The only ones I can think of are “Kyle and Ike go to Jew Camp” and the spoof of “Schindler’s List,” the latter is IMO one of the greatest SP episodes of all time.