Jack pushes Driscoll to reinstate him in the wake of Heller's kidnapping. He finds himself working as a subordinate when the Field Ops team goes to pick up Andrew. Behrooz finds himself torn between his loyalty to his parents and his feelings for his girlfriend as he is sent on his first assignment. Heller tries to comfort his daughter as his captors broadcast their intentions on the Internet.
Eighteen months have elapsed since the conclusion of Day 3. A commuter train bound for Los Angeles explodes. A man steals a suitcase from a passenger in the wreckage and then kills him. Jack has been dismissed from CTU and now works for Secretary of Defense James Heller. Jack is involved with Heller's daughter, Audrey, and their relationship is growing serious. Jack is in LA for a meeting with CTU Director Erin Driscoll, who fired him a year ago, but he finds himself alienated at CTU by Driscoll and the new staff when reports of a possible terrorist strike come in. A young computer hacker named Andrew Paige sees something that he shouldn't on the Internet. Suddenly, he finds himself running for his life as he is pursued by terrorists. Luckily, he is able to warn Chloe O'Brian before its too late. The Turkish Araz family are not what they seem and it becomes clear that they are heavily involved with the day's events. Meanwhile, Heller has a confrontation with his estranged son. Jack finds that Chloe is his only ally as he tries to prove that the train explosion is merely a diversionary target.
Huff grapples with the dangers of psychiatry when a young, eager and attractive pharmaceutical rep does her best to persuade him to aggressively prescribe. But Beth discovers an item in Izzy's closet that may be alarming enough to distract him from his flirtation. Over in the land of Russell, Huff's lawyer friend may be the victim of federal surveillance or simply the victim of his own paranoia.
Star Contest comes to the mall, and when Wyatt performs his original song about how awesome his friends are, he wins the regional finals. He gets his big break opening for Utility Pole, but the gang all miss the concert due to unforeseen circumstances (boys, sales, exploiting Wyatt's new fame...). Upset that they all ditched his show, Wyatt rewrites the words to his song at the last minute to reflect his feelings and tells everyone his friends suck. Suddenly the song has a life of its own and is playing all over the mall - and the gang have become pariahs in their own hood. Jonsey takes a job as Wyatt's manager, but gets fired. And Jude tries to instill a new ""barter system"" in the mall by paying for things with Stick IT Kabobs and Gyros.
Marshall is busy working on promotions for his band, Magnet 360. He is supposed to write a 1500 word essay for the school paper for his community service, however he runs out of time and ends up filling the space with predictions, thanks to Z's inspiring lesson on horoscopes and The Bell Curve. Unfortunately, he forgets to check his work, and the prediction that 'a member of the science club will diet' becomes 'a member of the science club will die.' It doesn't seem to be a problem until the other predictions start to come true. Now each member of the science club has to work out how to cheat death...
Terrorists take a passenger plane to Hong Kong hostage and three new members join Red Troop.
The Amazing Mumbo is up to his old tricks. When the Teen Titans try to stop the madcap magician in mid-performance, Mumbo pulls a fast one. With a wave of his wand, he sucks the Titans into his hat where our heroes discover a strange magical world of weirdness.
When Cybertron is threatened by a colossal black hole, Optimus Prime and the Autobots give the order to evacuate the planet. However, a mysterious stranger holds one last hope...
Two teenage slackers find a mecha from the future that had been lying in a New Jersey junkyard for nearly 60 years and make modifications much to the dismay of the robot's attractive creator.
The cases of Harmon Rabb, former Navy fighter pilot, and his fellow lawyers of the U.S. Navy's Judge Advocate General's office.
In order to get enough evidence to convict C.T. Finney for the death of Ty Davis, Sr., Sully must look for the other officers involved with the incident, and also relive the events leading up to the murder.
Experiment 020: SLICK Chaos ensues as Slick, a fast-talking experiment who can sell anything to anyone, teams up with Lilo and Stitch to sell candy bars for the Hale Kaiulu's annual fundraiser. Lilo soon learns the hard way that Slick is not designed to stop, and she and Stitch must reclaim their household items before it gets too late.
A teenage girl is visited by God, disguised as everyday people, and is given assignments and tasks that eventually have a positive outcome on people's lives.
While Cate finds herself becoming jealous of Principal Ed Gibb's new girlfriend, C.J. is asked by Ed to help tutor Cheryl for her GEDs -- and finds himself unwittingly being hit on by her. Meanwhile, Rory feels awkward after Cate accidentally interrupts him during a private moment.
Cate is shocked to discover that Principal Gibb has hired C.J. as a substitute teacher. When C.J. catches Rory cheating on a test, he is torn about reporting it as Cate tries to persuade him to look the other way. Meanwhile, when Bridget breaks her leg because of Kerry's blunder, she makes her little sister's life a living nightmare.
When Raven is mistaken as the gym star Natasha, things go wild, as she is expected to do all the amazing routines Natasha used to do in order to win the love of a gym star named Erik, including going on a 5-mile morning jog and competing in the gymnastics meet... Meanwhile, Cory gets glasses to win the heart of a cute girl in school.
Lily becomes insecure when she learns that she's ""not school smart."" So when Brad snags an interview at Yale, she becomes jealous and connives to land her own interview. Sean takes a second job as a limo driver, to avoid doing work at home. Claudia tries to convince her neighbor, Arianna, that the Finnerty clan is not trash. Jimmy seeks advice from his uncle Eddie for his debut in the school production of Tom Sawyer.