I wondered the exact same thing. They've done it all so why not try an arc.Does it mean that the episodes will have some kind of continuity from now on ? Some of the events were directly caused by the previous one, whereas they are usually almost completely stand alone.
They have done stories over multiple episodes before, it's a humor/satire first, not an epic story so I don't think that is the reason to not do it. Besides, the story still stands alone on its own.it did feel like they were going to continue this next week, i was wondering where they were going with aunt jemima, then they wrapped it all up by the end and everyone was happy at the SP kids party. im guessing things will be back to normal next week, a whole south park season with continual continuity would be cool though i doubt they ever would do this because they would have to air their reruns in some kind of chronological order.