Michael's sister Kelly is coming over for the weekend, which freaks Jay out because every time Kelly comes over she overstays her welcome and always gets on Jay's nerves. This time is no different and it sparks a rivalry.
The boys are on a mission: return "The Lord of the Rings" to the Two Towers Video Store in Conifer. But this is no ordinary copy. Butters, the evil sixth graders, and the boys' parents all try to steal the ring, er tape, from the boys. Will they succeed?
Jack tries to undermine Eddie's mission to bomb CTU while George investigates intel leading him to the site of the nuclear bomb's construction and Kim tries to make contact with her father by heading for CTU headquarters.
Lorelai forces Rory to be her partner at the Stars Hollow dance marathon, where Rory can't stop arguing with a boy – and another definitely notices.
Ryan (from "Stray") returns and Clark has to save him from Dr. Garner of the Summerholt Research Facility. Meanwhile, Aunt Nell leaves Smallville, and Lex wants to expand the plant but runs afoul of the mayor.
Nick takes on the case of two children after their brother dies from their father's neglect.
Niles becomes concerned about a lingering toothache after his dentist assures him that there is nothing wrong with the tooth. He tells Roz that there is a chance that he may be suffering from referred pain; and that the pain could actually be a sign of a heart condition.
Connie struggles to settle with the baby. A woman is found dead in a vacant lot. Another is found dead in the laundry room of her building. The Lieutenant dresses up for a lunch.
When Dana is picked to be a bachelorette on the reality series The Bachelor, Jim gives her a little advice on how not to be herself.
After Paul convinces Bridget to tell Kyle the truth about her date with another boy, Kyle breaks up with her. Meanwhile, Kerry's first date turns out to be a dream, but she is devastated when the boy doesn't call her back.
Gina Gershon guest stars as Rhonda, the beautiful but foul-mouthed sister of Vicki who immediately falls for Elliott. But when Elliott feigns interest in Rhonda only to ultimately make himself seem more interesting to Vicki, he finds himself in an awkward situation and only Finch can save him. Meanwhile, Jack annoys the entire office when he sets up closed-circuit cameras everywhere in an attempt to keep his eye on everyone while is home recovering from foot surgery.
Buffy talks through her troubles with an old high school classmate who has recently become a vampire. Cassie, the late student Buffy tried to help, appears to Willow with a posthumous message from Tara. Dawn experiences a terrifying haunting. And Andrew and Jonathan return to Sunnydale High on a mission.
In a romantic moment, Donna presents Eric with a ring, much like the promise ring that he gave her, and caused their break up. For Donna, the ring symbolizes their enduring love and committment; for Eric, it symbolizes ugliness. To protect Donna's feelings, he decides not to say anything, but the secret gains a life of its own. Kitty is determined not to let menopause affect her life, but has a hard time living up to her committment.
The cases of Harmon Rabb, former Navy fighter pilot, and his fellow lawyers of the U.S. Navy's Judge Advocate General's office.
When a fire breaks out in the supermarket where Bosco and his mother Rose are doing some late night shopping, Bosco rescues most of the shoppers but cannot save a young mother when she goes back inside to retrieve her purse. After Jimmy tells him that the fire was probably deliberately set, Bosco is convinced that he saw the arsonist in the crowd outside after the fire. Sgt. Cruz gets Bosco and Faith assigned to the Anti-Crime Unit for a few days so that they can track the guy down. At the scene of another supermarket fire the next night, Faith takes down license plate numbers, Cruz photographs the crowd and cars at the scene, and Bosco nabs the man he saw in the crowd the night before. The man turns out to be a fire buff, but Faith and Cruz's work bears fruit and they find their arsonist -- the son of Doug Maple, an NYFD arson investigator. A depressed Sully is still on leave, drinking too much, and sleeping on the couch at Ty's and Carlos' apartment; Doc connects with an attractive
Greg and Kim worry that they're not making her second pregnancy special after accidentally using the baby's sonogram as scrap paper. To avoid being the kind of parents who ignore their second child, they decide to get the new baby all new stuff, instead of just Sam's hand-me-downs. Jimmy and Christine both think they're overreacting, until Christine realizes they are the kind of parents who ignore their second child; they have tons of videos and photos of Dominic and almost none of Logan. Since Christine has no childhood memories from before she was 4, she assumes Logan won't either, and decides to start faking his childhood photos and videos, using Logan for the walking, talking years, and Sam and hired children for the baby years. After trying unsuccessfully to sell off Sam's nursery set, Kim changes her mind and makes Greg put it in storage just in case Sam might want to pass it on to his children. After Greg gets attacked by a raccoon at the storage locker, he sees how crazy obsess
The unannounced arrival of Jacob and Nonny Hoffman (Mark Rydell, Doris Belack) from New York is greeted with glee by Delia and Ephram. But Andy feels pressed to his limits as he tries to placate his overbearing guests, particularly his pushy father-in-law, who openly criticizes the physician's parenting skills. On top of that, Jacob obviously enjoys a special bond with Ephram that Andy can't duplicate. Meanwhile, Nonny makes her own impression in Everwood when she butts heads with Edna over Delia's affections. Lastly, Ephram sneaks out of the house to see Amy who is still emotionally recovering from the aftermath of Colin's (Mike Erwin) surgery.
Gary Coleman moves into Nikki and Kim's apartment building, inspiring Nikki to move into a career as his manager. Meanwhile, Stevie and T start dating.
Breanna starts to date a new cute guy at her school named Josh, but Flex plans to end their relationship when he finds out that he is the son of his rival for his Sport's Casting job. Meanwhile Arnaz seems to be getting bored with his relationship with Ginger. He wants to get with Breanna again but he soon discovers that she and Josh are dating now.