The South Park that we watch is a much-toned down version of the one I saw at your house! It must have a lot cut and certainly the language is toned down. Still, we watch it sometimes....sometimes we say "Nah" and turn it off. Heh heh!
The Jimson Weed. Ugh. I just found out what it was. It's really invasive in my back yard and the jedis and I take scissors every day during the summer and cut off the little spiny "apples" and throw them away so it won't spread in our yard. I don't mind a few plants, though, because although the plant is stinky, the flowers that open in the evening are truly pleasant to smell. The perfume comes in the house.
The native tribes use it for a ceremonial drug. I don't think I'm going to let the jedis mess with it anymore! LOL!
I've seen a couple of those on the regular TV channel that have been obviously cut.... the funny thing is, they told us it was cut with a screen that says "the part that shows ____ has been edited" Other than that, just the language would be beeped. Sometimes there isn't a rule that covers South Park.