Aliens kidnap Kyle's little brother.
A celebrity presents Cartman's essay-contest prize.
Volcanic activity disrupts a hunting trip.
Stan's dog pursues other dogs.
A genetic engineering experiment unleashes Stan's mutant twin.
Stan's grandfather helps summon the Grim Reaper.
An outbreak of pinkeye interrupts Halloween.
Government authorities mistake Cartman for a starving child.
Town denizens try for a politically correct Christmas; Kyle's holiday pal, Mr. Hankey, shows up to make Christmas memorable.
A battle for spiritual domination conflicts with Cartman's birthday.
A substitute teacher threatens Stan and Wendy's relationship.
A prehistoric monster threatens the world.
The school counselor suggests Cartman find his father.