Chickenpox

"Chickenpox" is the tenth episode of Season Two, and the 23rd overall episode of South Park. It originally aired on August 26, 1998.

Synopsis
The boys' mothers each deliberately try to give them chickenpox from a sleepover at Kenny's house who has chickenpox, they do this to prevent the children from catching it at a later age where it can be worse or even deadly, the boys then react differently about having the chickenpox.

Plot
Shelly - Stan's sister is rushed into hospital. She has chickenpox. Since she is twelve the disease has a short but very risky effect on her health. After Randy and Sharon discover how dangerous the disease is to older kids and contact the other parents.

Later on, Stan, Kyle and Cartman are on their way to Kenny's house for a sleepover. Unaware that their parents want them to get chickenpox at an early age they wonder why they are visiting.Mrs. McCormick reveals that Stuart and Gerald used to be friends, but Gerald got promoted and made himself a lawyer.

After the sleepover, Stan and Cartman come down with chickenpox while Kyle has remained healthy. Kyle's parents organize another sleepover that night for Kyle. Kyle talks to his father about his friendship with Stuart McCormick. Sheila discovers this and sneakily organizes a fishing trip.

Meanwhile, Cartman uses calamine lotion to make his itches go away, and dumps a lot of bottles of the lotion into the bathtub.

At Kenny's house, Kyle is forced to do many unusual things by Sheila in order for him to get chickenpox. After he comes down with it he overhears his mother on the phone to Dr. Doctor. Kyle discovers that his parents intended for him to get chickenpox, and he runs away before Sheila can explain.

Gerald and Stuart's fishing trip goes horribly wrong, with them getting into a fight and returning home.

After talking to the other boys, they go to Chef and ask how they can give herpes to their parents. He tells them about Frida, an old prostitute.

The boys talk to Frida and pay her to contaminate their parents' things. When that is done, the parents find them and Kyle finally gets chickenpox and faints on the ground.

Kyle then wake up at Hell's Pass Hospital (with Stan, Cartman and Kenny) where their parents visit and explain their full intentions. The boys then explain that they gave the herpes their parents have. They all end up laughing over the whole situation and Kenny suddenly dies from a heart attack caused by the chickenpox.