Stan, who had Hayley brainwashed because he wanted her to be a sleeper CIA agent, activates her and orders her to marry a senator's son. Meanwhile, Roger and Steve decide to open a detective agency like the ones in the '70s TV shows they have been watching.
The mayor places undue pressure on Sebastian and his team to identify, locate, and convict a serial freeway sniper who is causing city-wide panic in Los Angeles.
The Walkers unite as Justin's addiction hits an all-time low. Kitty and Robert build new plans for their future.
Presumed dead, Lois returns from the wilderness and names Stewie as her killer. On the lookout for Stewie, Joe leads a manhunt around Quahog. Desperate to stop Stewie, Lois realizes what she must do.
When the family goes out to a restaurant where the food is cooked at the table Cotton throws a tantrum and gets into a fight with the chef. The fight leaves Cotton near death in the hospital.
When a boy named Percy wishes he could impress the Loco's with his mascot outfit, he has Xavier pretend to be him in a costume. The Loco's decide to let Xavier lead them for a while and things get a bit out of hand.
When the body of a newly missing boy is found in a cargo container along with the remains of three other victims who vanished in 1999-2003, the team realizes they're dealing with a serial killer.
Larry uses Sammie Greene's bat mitzvah to try and clear up a nasty rumor about him; the Blacks announce they're returning home; Larry makes another attempt at dating.
Lynette's sisters Lydia and Lucy come to visit. While having dinner with Susan and Mike, Bree and Orson realize they share different views on whether their newborn baby should be circumcised. On a boat, Victor confronts Gaby about her affair with Carlos and she throws him into the ocean. Later, Bree informs Susan that she thinks Mike is addicted to drugs.
Milhouse stays with the Simpsons when his parents remarry each other and honeymoon on a cruise ship. But when his parents are knocked overboard and lost at sea, Milhouse decides to grow up and be a man.
Dethklok enters the fashion industry to promote their new clothing line, and in the the process experiences the brutality of negative body image, dieting, and bulimia.
Dexter manages to get Doakes off his back. He devises a plan to get the police in another direction. Lila and Dex's relationship intensifies, and he has some interaction with Rita and the kids.
Mike's City Diner (Boston, Mass.) • Willie Bird's Restaurant (Santa Rosa, Calif.) • Alpine Steakhouse (Sarasota, Fla.) The turkey dinner, an American classic. Join Guy at a Boston joint where it's Thanksgiving every single day of the year. Also in Northern California, where Turkey is not only on the menu, it is the menu. Finally in Florida, where turducken is served.
Cody Martin is currently with Barbara, durring music class there is a famouse Russian violinist Sergie, and he starts flirting with Barbara. One of the classmates starts a rumor that states that Barbara and Sergei are moving back to Russia and are going to sell llamas, cody gets extremely jelous.
Raven suspects that Cory has started smoking when she finds a pack of cigarettes in his shirt pocket, but he is really hiding them from his girlfriend, Cindy, so that she does not smoke them. Meanwhile, Raven makes a casserole for a party, but Eddie and Chelsea keep on eating it, and covering it up by making more casseroles, but they keep on eating those as well.
Robby goes on a date with Lilly's mom, but when things don't go as planned, Miley & Lilly fight over who's at fault. Jackson and Rico pretend to be each other.
The Sheriff's Black Knights gather at the castle to attend a feast and declare their allegiance to Prince John by signing the Great Pact of Nottingham. With the outlaws disguised as entertainers, Robin infiltrates the castle to join forces with the only man who can stop them: former Sheriff Edward's old ally and Black Knight, the Sheriff of Winchester. Winchester's territory is key to the Sheriff's Shah Mat plan that will apprehend a homecoming King Richard at the southern ports.
Rush week places the residents of Omega House in a variety of erotic positions.
Gotham citizens are bursting into hysterical laughter and dumping stolen goods into the river, and Batman is soon on the trail of the Joker.
With their mission completed, the group looks back on all their fond memories of Lyoko. Sissi, meanwhile, plants a tracking device on Ulrich in order to discover their secret. When it comes time to shut down the supercomputer, all but Yumi are unwilling to go through with it: Aelita is still holding onto the hope that her father can somehow be saved, Jeremie doesn't want to take away the thing which made them friends, and Odd and Ulrich both liked being heroes. While they muse over their attachments to Lyoko, Sissi finds her way into the computer lab, and Jeremie's open diary reveals the whole of their adventures. When Sissi tries to explain this to her father, he believes she has lost it and sends her to the infirmary. A return to the past deals with that problem. Ulrich stops Sissi from planting the tracker on the repeat attempt, and the quintet invites her as a friend. Once more at the supercomputer, the group unanimously decides to shut it down, closing the book on their adventures, for now.