The boys, with Butters and Jimmy, go to PiPi's Splashtown Waterpark. Cartman becomes annoyed at all the migrants present, while Kyle is concerned about everyone peeing in the water. But disaster awaits. A good end to the season... hide show
This review contains spoilers.
I initially wasn't looking forward to this episode – I knew it was partly going to be a parody of '2012', and was concerned that it was going to end up the way of last season's terrible two-part 'Pandemic'. Thankfully, 'Pee' ends up far better than that effort; part of this is because – unlike 'Pandemic', which very much relies on seeing 'Cloverfield' to get the majority of the jokes – 'Pee' is presented as a broader story, which all viewers, including those who haven't seen '2012' yet (myself included) can enjoy.
The plot is a good one, and feels like vintage 'South Park', and ('2012' comparisons aside) could just as easily come from one of the earlier seasons.
The topic of people peeing in swimming pools had actually been done as a sub-plot way back in the second season's 'Summer Sucks', although in that case it was infants, and I think it was long enough ago to re-visit ...