Doug, Carrie and Arthur head out to the airport to visit with Doug's parents while they have a short layover at Kennedy Airport on their way to Montreal. While there, his parents ask him to sign their living will, making him the one responsible for pulling the plug. When his sister Stephanie gets wind of this, she is offended that she wasn't the one asked to be responsible.
Larry defends Sting when a man sues him for breaking up his marriage; a Streisand impersonator sues over his nose job; Richard flirts with Cindy Margolis to make Ling jealous.
Sean, Jason, and Zack travel to the Big Island to participate in the Showdown 2001, a 12-mile course of natural obstacles. Leigh will be taking over supervisory duties at Baywatch while Sean is away. J.D. is tending to Kekoa, who has come down with the flu. Fortunately, J.D. has an iron constitution, despite the fact that he didn't have his annual flu shot.
Xena and Gabrielle become embroiled in a conflict between centaurs and Lord Belach, whose daughter has run off with one of the hoofed creatures. Xena has conflicted emotions, however, as Belach is the son of her past lover Borias and the centaur, Xenan, is the son of the deceased Ephiny.
The gang hits a local salsa club to help Nikki relieve some stress, but the outing winds up having the opposite effect when she sees Professor Oglevee with the school's new dean of students Toni Ross. Stanley runs into an old friend named Kenny Davis who becomes attracted to Nikki, but Nikki rejects all of his advances. Later, she becomes bothered by Andell's new relationship with Mel.
Rommie falls in love with a surviving android (Michael Shanks) of a destroyed ship, only to be betrayed as he turns out to be the ultimate enemy.
Marie gathers Robert's ex-girlfriends Amy and Stefánia and his police partner Judy, so they can dissect his character in an effort to help her better understand why her eldest son can't commit to a relationship. Unfortunately, Robert unexpectedly drops in and is forced by his mother to listen to his character being assassinated by the women as they discuss his relationship hang-ups.
Annie discovers that the particularly flirtatious mother of one of Lucy's friends, Serena is seeing Eric for therapy sessions. Annie strongly requests that he refers her to someone else. Annie then has to deal with the guilt over her jealousy-induced interference between the two. Also, Simon is mortified when word gets around school over the fact that he's a virgin. Annie had shared the details of Simon's sexual inexperience with his ex-girlfriend's (Sasha) mother, Rita. Meanwhile, Matt struggles about telling Robbie he's interested with his ex-girlfriend, Cheryl. Lastly, Robbie is also hiding a secret from Matt that involves his ex-girlfriend Heather.
Liz continues her investigation into Alex's death while Isabel plans her future and Maria wonders whether Michael will always be around.
Toni cheats on Greg with Clay and winds up contracting chlamydia. Joan frets about the fact that Sean has yet to tell her that he loves her, especially after he reveals that he has been offered a six-month job in New York. She seeks her friends' advice on how to coax a love declaration from him. Meanwhile, Maya feels threatened by the temp who filled in as Joan's assistant during her absence.
Doc is thrilled when Sarah accepts his proposal, but is stunned when she informs him that she's accepting a job offer in Philadelphia and wants him to relocate.
While eating out, Jimmy and Greg run into Billy, who's been sacked from The District and dumped by his girlfriend, and now works at a restaurant as a birthday-wishing pirate. Until he gets sacked from that job too. When Kim receives an estimate on a bathroom remodel that looks high, Billy -- who used to do bathrooms -- confirms to her that it is high. Jimmy tries to talk Greg into letting Billy do the bathroom for them, but Greg doesn't need the pep talk after Billy says he'll do the job for half the price. Kim brings home a friend from pottery class, Rosanna, who takes an immediate liking to Billy. Billy and Rosanna go out on a date that makes him think they're on the fast track to a relationship -- until Rosanna tells him that she's decided to get back together with a former boyfriend. The news crushes Billy so much that he can't work and, hence, can't finish the bathroom. With the pipes turned off and no running water, Greg and Kim are forced to share Jimmy's and Christine's bathroo
Event: BOURG, FRANCE 1789 Sydney and Nigel link the incident to French folklore, when an antique bronze mask disfigures a supermodel. An Executioner, who was born horribly disfigured, was believed to have put a curse upon his mask during the French Revolution. Until the mask is returned to the remains of this Executioner, its curse will be handed down to wearer.
The Taelons' decision to enter death stasis causes a rift between Zu'or and Da'an, who refuses to share the core energy he has accumulated. Meanwhile, Liam learns that he only has days to live.
In the throes of a hot session Brian gets upsetting news; Daphne asks Justin to be her first time; Ted wants Blake, despite his crystal meth addiction.
Pickles decides to quit smoking, but she replaces one addiction with another when she channels her nervous energy into becoming a reckless thrill-seeker. Her decision comes much to the dismay of Bob, who worries about her safety, and Milo, who resents her unseating him as the crazy one in the family.
State U. tradition has it that the first snowfall of the year means running around the campus...naked. To participate, Nitz realizes that he must lose weight, and fast. To spite his tyrannical RA, Gimpy leads his bands of nerd minions through a series of practical jokes in honor of Tekerson Tech Traditions Week.
Mulder and Doggett are reluctantly thrown together to investigate several deaths aboard an oil rig, and Mulder becomes convinced that the rig is really carrying the black oil alien.
Homer's rush to the hospital to reattach his thumb, Lisa's rush to school to win the science fair, and Bart's run-in with an illegal fireworks scheme are interconnected in a parody of Go and Run Lola Run.
A somnolent visit with the ghosts of Christmas past lands Tony back on Melfi's couch. With the annual pork-store holiday party approaching, Bacala reluctantly agrees to don the Santa suit that Pussy used to wear. Tony and Furio have a holiday surprise in store for the Russian who roughed up Janice.