Aliens land in South Park and kidnap Kyle's little brother.

Cartman wins the school's essay contest, and a celebrity comes to town.

The boys' hunting trip is threatened by activity from a nearby volcano and a mysterious creature.

Stan's dog explores his sexuality.

A genetic engineering experiment unleashes Stan's mutant twin.

With the help of Stan's grandfather, the kids summon the Grim Reaper.

Trick or treat in South Park is interrupted by an outbreak of "Pink Eye."

Government authorities mistake Cartman for a starving African child and send him to Ethiopia.

When Kyle's musical holiday pal Mr. Hankey shows up, it makes for a memorable Christmas in South Park.

Jesus and Satan fight a battle for spiritual domination, which conflicts with Cartman's birthday party.

Mr. Garrison gives Stan special treatment and a lesson on homosexuality.

Not even Jesus can help Stan with his gay dog.

Sparky is taken in by Big Gay Al.

The boys set up a dog fight between Sparky and Sylvester.

The football team practices in preparation for the homecoming game.

Sparky has sex with Rex in front of Stan's football team.

Stan unsuccessfully tries to un-gay Sparky.

Jimbo loses faith in Stan's football skills.

Stan has more bad luck turning Sparky straight.

Chef gets worked up over the football.