While trying to teach Chris about his Irish roots, Peter stumbles upon Nate Griffin, a black man in his family tree. Peter tries to embrace his new-found heritage, but can’t quite get the hang of it. When Lois’ father, Carter Pewtershmidt, sits the Griffin kids down for a look at his family genealogy, a dark secret is uncovered.
In a very special episode of South Park, Cartman fights for Kenny's life when he speaks before Congress in favor of stem cell research. Meanwhile, Stan has trouble dealing with his friend's impending demise.
Claudia convinces Sean and Eddie to revive their old high school band, and Lily quickly falls for the hunky 17-year-old drummer they add to the lineup.
A separated, fired NYC lawyer returns to his hometown in Ohio, meets old high school friends and cute crush, buys a bowling alley and opens a law office in it.
A stand up comedian suddenly becomes a father when he takes custody of his sister's three children.
Gay lawyer Will and straight interior designer Grace share a New York City apartment. Their best friends are gleeful and proud gay Jack and charismatic, filthy-rich, amoral socialite Karen.
The entire Fifteenth is on the case of a baby missing from a maternity ward, and Medavoy and Jones track an arsonist suspected of a hate crime when a store owned by two Arab brothers is burned down. Andy finds out Eddie has a serious health issue and agrees to partner with him. Connie begins following a young woman for no apparent reason.
A free-spirited yoga instructor finds true love in a conservative lawyer and they get married on the first date. Though they are polar opposites, he fulfills her need of stability and she fulfills his need of optimism.
A young girl, fresh out of high school, follows her high school crush to college to be near him.
The team encounters an agitated Aquaman while trying to rescue a submarine crew. His opinion of surface dwellers doesn't improve after an attempted assassination by Deadshot.
Ally has Glenn all hot and bothered on the dance floor, but then Glenn has Jenny all hot and bothered while singing Elvis Presley on her birthday. They're on a double date that is more awkward than imagined. John is back, but he's upset that Richard has violated his hole. Richard has become a trial lawyer, or a litigator, either way he's off to court, or to meet the client. This is the type of confusion that John's disappearance has caused in the office.
Stunts included: Puffy Intro, Beard Of Leeches, Fat Fucks 2, Wee Hand, Wood Chipper, Ice Board, Ice Barrel Jumping, Stilt Fall, Urban Sledding, Extreme Jacuzzi, Start Your Engine, Plugs, Idiot Launch, Phil In Elvis Suit, and The Omelette.
Jimmy is trying to make the basketball team, but with spending all that time practicing, he is behind in school. He can only do one or the other. He convinces Spinner to give him one of his Ritalin pills to boost his energy, but it has bad consequences for both Jimmy and Spinner. Meanwhile, Liberty is sick of writing Ashley's speeches for her, so she wants to take over the morning announcements for one day. Ashley knows Liberty won't be able to do it, but sets her up anyway.
Malcolm, Reese and Dewey "volunteer" to do charity work at the local church. They soon begin bartering the many items in the church basement in exchange for money, but when the boys start making more of a profit than the church, their consciences finally catch up to them. Meanwhile, arriving in Alaska to begin working with his former classmate, Eric, Francis learns quickly that his great expectations are more like a wilderness nightmare, and his new boss, Lavernia, may be the icing on the tundra.
Sydney must undergo an extensive lie detector test to satisfy Sloane's frantic search for the SD- mole. Meanwhile, with nemesis Anna Espinosa following her every move, Sydney seeks out the connection that a device may have to the -year-old prophetic Rambaldi sketch. The mystery of Kate Jones deepens as Will continues to investigate Danny's death and Sydney discovers that a keepsake from her mother Laura contains more disturbing connections into Jack's past alliances.
Doggett and Reyes investigate the murder of a couple in West Virginia that has all the signs of a satanic ritual killing. They link the murder to a doctor who is incarcerated in a mental institute, and Doggett becomes convinced that the doctor is orchestrating the crimes from within the hospital.
Homer becomes a fortune cookie writer for a Chinatown restaurant. Mr. Burns reads one of Homer's fortunes, which says that the reader will find love before Flag Day is over. Burns goes searching for love and meets Gloria, a meter maid, and asks her out. Gloria reluctantly agrees, and Burns recruits Homer to help him look young and hip to his new girlfriend.
In order to raise money for a science project, Brak puts on a musical based on the movie Psycho with his friends and family in the lead roles.