Who took a trip to the doctor?
That was revealed on South Park Season 21 Episode 9 when both PC Principal and Kyle found themselves feeling something that was unfamiliar to them.
For one of them, it meant taking a trip to the doctor, and it meant there were some troubling times ahead for them.
With tensions at an all-time high in the school, one student went to extreme measures to find out the truth about what was going on.
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Paul Dailly is a staff writer for TV Fanatic. Follow him on Twitter.