South Park Episodes Online

South Park Studios will show you any complete episode of South Park you want. Legally. Gizmodo says "Streams are fast and vid quality is solid; every episode, from first to most recent is available (with one exception); and newer ones are uncensored. Major point of suck: ads. They're mercifully short, but you get hit with about three per episode (marked by the little white lines in the timeline), though you have a limited ability to jump around the ep to sorta avoid them"