Peter runs into Jesus at the Quahog Mall, and he is shocked to learn that Jesus is still a virgin after 2,000 years, so Peter plans a birthday surprise.
Cartman decides to find out which student at the school is responsible for starting a lice outbreak; a louse tries to stop the deaths of all his friends.
The number of homeless people in town is on the rise, and while the boys' parents are generating ideas to help the homeless, the boys try to stop the influx.
The boys are impressed by Randy Marsh's latest achievement in the bathroom, all agreeing that it could be a world record, until someone else wants the title.
When Canada decides to go on a long and painful strike, the boys must resolve the problem; Danish citizens migrate to the U.S. to replace the Canadians.
Mr. Garrison takes the class on a field trip to a living museum based around life in the 1800s; Cartman makes Butters go to the amusement park next door.
None of the boys believe Butters when he tells them he saw a vampire at school; students at school can't tell the difference between a Goth and a vampire.
Cartman convinces Butters and a small gang of boys to run away from their homes in South Park and live with him as pirates on the infamous Skull Island.
When Ike is haunted by dead celebrities, Kyle and the boys hire professional ghost hunters to investigate the Broflovski house for paranormal activity.
Brian and Stewie use an out-of-this-world remote control to travel through a variety of parallel universes, including a world run by dogs where humans are pets.
Brian makes fun of Stewie for his small stature, which prompts Stewie to make a shrinking machine that inadvertently shrinks them to a microscopic size.
Carter Pewterschmidt becomes the victim of an unfortunate accident that forces him to be left completely dependent on the Griffins for care and rehabilitation.
In an attempt to surprise the Griffin family, Meg successfully manages to get into the U.S. Olympic team as a biathlete and prepares for the Winter Games.
Peter and his friends form a neighborhood detective agency; Lois is concerned about Chris' new relationship, but she decides to use it to make Peter copy Chris.
Meg is instantly seen as the hottest employee at her new job; Cleveland becomes a therapist and helps Peter and Lois with their relationship, frustrating Peter.
Peter ends up a town hero when he discovers a missing boy; Joe quits his job and goes on a road trip with Peter, Quagmire and Cleveland to Niagra Falls.
Brian becomes more well-behaved after going through obedience school, but Peter misses his lively behavior and wants the old Brian back; Chris feels used.
When Stan's dad takes the boys to a local water park, the fun-filled day turns into a deadly disaster as shocking events begin to signal the end of the world.
Cartman's favorite fried chicken restaurant is closed down and replaced by a store that sells medicinal marijuana to people with a physician's reference.