The boys of "South Park" got the itch for adventure and wound up going on a zip-lining trip on Wednesday's episode. Not everyone made it home alive -- and those who did wound up with ... umm, cold sores. Parts of the ill-fated adventure were re-enacted in live action by grown-ups playing Stan, Kyle, Kenny and Cartman. Take a look:
What did you think of the live-action sequences?
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