Having been transported to the Fortress of Solitude, Clark is confronted by Jor-El, who tells him he cannot return to Smallville, instead he must stay and prepare to save the planet. Also, transported to the Fortress, Chloe is unable to handle the sub-zero temperature and collapses, begging Clark to use his powers to save her. Jor-El forbids him to leave, but finally acquiesces, telling Clark he must return before sunset or there will be dire consequences. Meanwhile, Lana is horrified when she sees two Kryptonian aliens emerge from a spaceship discovered in the remnants of the meteor shower. The two aliens destroy what's left of the town searching for Kal-El.
Adam infiltrates a truck carrying illegal immigrants across Europe in order to stop a would-be terrorist.
When Chris's mother, Rochelle, hires the girl next door, Keisha, to tutor Drew at Math, Chris sees this as an ideal chance to impress her. But someone else may have the same intentions. Meanwhile, Julius finds himself in an awkward position when he becomes attracted to another woman, Sheila.
An up and coming movie star is found dead in his hotel room after partying with groupies. In another case, a dead cab driver leads the team to a string of deaths involving immigrant workers.
The fourth season begins with a nice wedding of an unexpected couple and kiss at the airport for couple Bright and Hannah in Everwood. Nina finally chooses between the two men she loves - Andy and Jake while at Delia's behest. Amy develops a new friendship with college-age student Reid (guest-star Justin Bardoni) while waiting on her mother Rose at the hospital. Also, Amy and Rose find that Rose's cancer has driven them apart rather than brought them together. Bright flirts with a new girl who might become his roommate, but is more involved in knowing what girlfriend Hannah scribbled off the postcard that she sent to him. Lastly, Ephram makes an emotional return to Everwood just in time for an unexpected wedding.
Much to Ray's dislike, a surrogate mother in labor doesn't want to have a C-section and endangers the life of the baby. Meanwhile, Sam tells Luka she and Alex are moving out. Pratt meets his half-brother and -sister, and Abby makes a difficult decision about a young boy.
Ash and his friends meet the owner of a Pokémon Dojo but they discover he's in a feud with his son. Can Ash and his friends help end the feud between them.
After learning that the man she has known as Michael Vaughn is under investigation and suspected of being a double agent, Sydney begins to question whether their business and personal relationship over the years had all been a lie.
Markus struggles to fit into his team and Marshawn faces criticism from some of her corporation members when she steps up to lead a task involving advertising for Lamborghini's. Excel Corporation's adoration for their advertisements clouds their vision to see some apparent faults, but with the help of Kristi, Alla, and Jennifer, the women of Capital Edge pull off an upset win, earning the opportunity to skate on the ice with a hockey team. Once there, Rebecca falls on the ice, and her future is uncertain with a serious ankle injury. In the boardroom, Excel Project Manager Chris takes a page from Kristi's book and chooses to bring in only one person, Markus, with him into the final boardroom. Trump, Carolyn, and George see this as a fatal mistake, and Chris is fired for it.
Marissa struggles with attending a public high school, and her new friends make Ryan jealous; Charlotte's ruse is up when she learns that Kirsten did not inherit any money from Caleb; Julie's mansion is repossessed, leaving her with nothing; Taylor's power play dethrones Summer as commitee chairman, who then learns an interesting secret about her and Dean Hess.
Stella and Danny investigate when a jewellery designer is found dead, wearing the eight million dollar bra he created, and investigate the model he had shot and her bodyguard. Aiden begins to take the rape case she has been working on a little too personally, and is determined to stop the man before he can rape again. Hawkes gets to go into the field for the first time as he assists Mac in investigating the death of a man who liked to climb skyscrapers.
Will Truman and Grace Adler are best friends living in New York, and when Grace's engagement falls apart, she moves in with Will. Together, along with their friends, they go through the trials of dating, sex, relationships and their careers, butting heads at times but ultimately supporting one another while exchanging plenty of witty banter along the way.
Green and Fontana bring SVU Detective Olivia Benson onto their scene when a DOA has her number on his cell phone. This crossover starts on Law & Order: Special Victims Unit S07E02 Design (I).
When Dominic enters the world of dating, Christine and Jimmy offer conflicting advice to their son. Meanwhile, knowledge that Kim still keeps a box of mementos from past loves drives Greg crazy.
After discovering an Air Force officer named Paxton in a wet suit and barely alive at the ranger station, Russell begins to question what befell the man when he notices his wounds are identical to Dave's. But Russell soon finds out that he's not the only one interested in Paxton when Sheriff Underlay and Larkin both begin to question the man's mysterious circumstances. Meanwhile Mariel finds something unexplainable protruding from Paxton's wounds, Russell's curiosity about the strange skeleton grows, and Underlay continues to push for a town quarantine.
It has been some time since the tragic blood battle, and everyone is working hard to put their lives back to normal. Tenma finally locates a woman he has been searching for, and she reveals some startling information.
After the summer fireworks caused by a dangerous confrontation with Lilly Kane's murderer and a surprising visitor at her door, Veronica attempts to settle into "normal" life, complete with a new after-school job and a return to the popular fold at Neptune High, but she gets pulled back into the investigation business when Wallace is kicked off the basketball team for testing positive for drugs.Meanwhile, Keith sits down with reporter Julie Chen to discuss his new book on the Lilly Kane murder, "Big Murder, Small Town." Later, after seeing his father arrested for murder and being charged and tried for murder himself, Logan seeks refuge from the paparazzi and relaxes poolside at the Casablancas mansion with buddies Dick and "Beaver" and their sexy stepmother Kendall.
This episode demonstrates the production processes for hockey gloves, snack cakes, remoulded tires and wastewater treatment, and shows how each is made.
The team of investigators tries to capture a serial arsonist who has been terrorizing a college campus.
With the abduction of Walt fresh on their minds, their raft destroyed, and Jin missing, Michael and Sawyer fight for their lives in the middle of nowhere in the ocean and discover a new predator in the roiling sea. Meanwhile on land, Locke must descend into the hatch when Kate goes missing inside. Also, Jack isn't too far behind Locke as he decides to go into the hatch as well later on. Lastly, flashbacks reveal more of Michael's troubled relationship with ex-lover Susan and their baby son Walt as they fight over custody for Walt and Michael must let go.