The Griffins flee to Springfield, and they are greeted by the Simpsons; Stewie and Bart cause trouble with a slingshot; Lisa teaches Meg the saxophone.
Peter helps Joe become an author, but tensions rise as Peter begins to take total control of the book, and at the same time Brian works out excessively.
The rest of the town takes a cue from Mr. Garrison and decides to get in touch with their feminine side; Kyle hopelessly fails trying to play basketball.
Kenny becomes the center of media attention after medical science threatens to prevent his soul from leading Heaven's defense against Satan's overwhelming army.
The boys fake Butters' death and reintroduce him to the girls as Marjorine so he can infiltrate a slumber party and learn about a fortune-telling device.
Cleveland and the gang make a trip to their rival high school, but when Federline destroys Cleveland's arch-nemesis' car, they must find a way to escape.
Cleveland confronts a famous rapper for not sharing credit for the hit they created together, but discovers the rapper's involvement in a secret society.
Holt reveals he wasn't even invited to his estranged family's dinner, so Rallo invites his father for the holidays; Cleveland tries to open an airport bar.
After encountering what appears to be a talking whale at a sea park, the boys decide that it is their duty to return the creature to its native habitat.
Towelie writes a book that gets selected for Oprah's book club and helps a lot of people with their addictions, until one of Oprah's staff lets the truth out.
Cartman gets upset that unruly behavior is occurring around him, as the new hall monitor helps Kyle end his little brother's affair with a hot teacher.
Stewie is prescribed Adderall after being diagnosed with A.D.D., which Brian uses to write a 2,000-page pitch to author George R.R. Martin at a convention.
The guys hunt down Joe's estranged father for Father's Day, but he explains his father dislikes people with disabilities, causing Peter to pretend to be Joe.
When Stewie does not like Brian's stand-up comedy routine, the two of them begin to quarrel, which leads Stewie to build a robot friend to make Brian jealous.
In order to get inspiration for a new horror movie idea, the guys head to an abandoned asylum, and accidentally kill someone they think is holding them captive.
When Peter receives a check in the mail from selling his mother's house, he remembers that all of his old porn is still in the house and goes back to get it.
After Peter's couch is stolen off of his lawn, he starts a neighborhood watch; while keeping watch, Peter shoots someone trying to get into Cleveland's house.
Peter, Cleveland, and Joe find an old VHS tape of the Asian soap opera "Winter/Summer," which Quagmire starred in, and travel to Korea to find the final tape.
When Lois and her mother, Babs, go out for a relaxing spa day, Peter is stuck with entertaining Lois' father, Carter; the guys are duped by an email scam.
When Peter is introduced to the world of phone apps, he becomes obsessed and overloads his phone with them before purchasing a new phone with more storage.
When Mayor West decides to raise the drinking age to 50, Peter is unable to buy alcohol; because of dog years, Brian is the only one old enough to buy alcohol.
Peter and Brian get drunk the night before Thanksgiving and decide to eat the entire bird, so they must hurry to find a replacement before Thanksgiving dinner.
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.