During a mission to The Carthage Region, the Scyphozoa attacks Yumi, stealing her human DNA, having her trapped on Lyoko. To make matters worse, it's picture day for her class and she will be suspended if absent. After some discussion, Ulrich gets the idea to have Sissi stand in for Yumi. Strangely, Sissi agrees and asks for nothing in return. During this, Jeremie tries to come up with a way to bring Yumi back. Aelita thinks of a way, but won't tell Jeremie about it. She only tells him once she gets to Lyoko, so he can't object. She begins to transfer her own genetic code to Yumi, which will let Xana take her memory at will, being exposed. Luckily, Odd and Ulrich get there in time to stop her. Meanwhile, Jermie figures out that Yumi's DNA should be stored in XANA's memory, which is accessible through Sector Five.
While dealing with her own feelings of jealousy regarding Duncan, Veronica helps a young woman who believes that her new fiancée is secretly after her fortune by sifting through his background and even posing as a sexy, available coed to entrap the guy.
The family of Russell's friend and fellow Park Ranger, Carl, is struck by tragedy. Russell suspects Sheriff Underlay may be hiding something when he starts looking into the tragedy. Larkin calls upon an old flame to help her investigation into the military. Meanwhile, Mariel and Jesse have a big fight and Rose wants a tree house.
The BAU investigates the kidnapping of a U.S. District Attorney's daughter and determines the kidnapper isn't seeking money -- he's after her twin sister.
Days after D-Day, Allied forces joined together for a different kind of mission. Through rare footage, eyewitness testimonies, and real-life accounts, the story is told of the race to capture the German physicists and other scientists and any secrets they may hold of advanced 'vengeance' weapons. Finding the scientists could mean gaining significant advantage in the looming Cold War. Liev Schreiber narrates the story of the scientists' dramatic capture and the influences they have on wars today.
Michael sets off into the jungle by himself determined to find Walt, but discovers that he is not alone. Meanwhile, Sawyer and Jin are ordered by their captors to take them to their camp, and Sun frantically searches for her missing wedding ring. In flashbacks this episode reveals more of Jin's life before ending up on the island.
A global warming state of emergency is declared in South Park. The world’s largest beaver dam breaks and floods the adjacent town of Beaverton. As the victims wait for help to arrive, everyone in South Park tackles priority number one: who is to blame? Only Stan and Cartman know who’s really at fault.
Envious of Jimmy and Christine's newfound neighborhood popularity, Kim throws a barbeque, where she discovers that she and Greg are not popular at all.
Byker Grove follows the lives and relationships of a group of young people who are members of a youth club.
Annabeth finds it difficult to convince the women working for the ring leader to testify against her because they are afraid that their husbands will leave them and take away their children. Meanwhile, Steve urges Maureen to push for more drug convictions so that their office can receive a $7 million grant from the federal government.
Rhea Reynolds is found dead (apparently murdered by the carver). Christian is the prime suspect. A man with a very hollow face (caused by the HIV medication that he's taking) is this episode's patient.
When an officer is shot to death on the freeway, the NCIS team take on the investigation. The first lead, a fact that the victim was leading a double life, take them to a possible solution of the crime, but the tables are turned when the victim's dying message is discovered and it leads them to a totally different clue.
While everyone else in the office enjoys the spooky Halloween festivities and talks about the staff's costumes, Michael ponders who he should fire when the threat of downsizing becomes a reality and his boss orders him to fire one of his staff. Meanwhile, Jim and Pam put Dwight's resume on job-searching websites, which may make Michael's job a little easier, and Pam encourages Jim to set his goals higher by applying for a better job, which makes Jim consider his friendship with Pam.
Sam and Dean come to the aid of Sam's old college buddy after he is accused of a murder he swears he didn't commit. The brothers discover a shapeshifter is adopting the likenesses of others and murdering people. The brothers' race to stop the shapeshifter takes a terrifying turn when he shifts into the likeness of Dean.
After asking Logan about Rory's future plans, Richard admits it was a mistake to let Rory make rash decisions and discusses the matter with Lorelai.
Mike goes to South Carolina and learns about shrimping. He also helps study the shrimp population in order to find out when it's time to open the shrimping season. Mike then goes to the swamps of Louisiana to catch some crawfish. Finally, Mike goes to Washington to clean up an illegal tire dump and recycle some tires.
This episode demonstrates the production processes for golf balls, furniture handles, parking meters and room dividers, and shows how each is made.
Denny's strong conservative values are put to the test when the firm represents a Democratic congressman who refused to keep a promise to his supporters. Alan tries to forget about Tara as he prepares to defend Catherine who is on trial for murder. Meanwhile, Sara is given a bizarre ultimatum.
The discovery of the bodies of two young gay men who were both meth addicts as well as victims of a new strain of AIDS that can kill its victims in less than a year leads to an investigation. Tutuola learns that his son, Ken, is gay, and has difficulty accepting it, even though he and Benson end up going to Ken for help with infiltrating an anti-meth group. The group's leader, Gabriel, soon becomes their top suspect when the squad realises that the two men died because they passed the disease on.
Earl decides to teach English as a Second language to cross "Made fun of people with accents" off his karma list. While Ralph an old friend is released from prison, Earl tries to convince him in the ways of karma however Ralph ends up kidnapping Randy trying to get his hands on Earl’s lotto winnings.