The Enterprise crew makes first contact with the Vissians, a species with three genders. Trip meets one of the species' third gender, known as Cogenitor, and learns how badly Vissians treat all Cogenitors. Trip attempts to help the Cogenitor, even though it interferes with Vissian culture.
A murder aboard a luxurious 747 and the discovery of two formally attired teens in the desert confound Grissom and his crew in this absorbing episode. First, a horse trainer is found dead in the cargo bay of a private jet carrying 12 well-heeled passengers and a million-dollar show horse. Initially, it appears the victim was trampled to death, but Grissom and Catherine uncover evidence of foul play. Meanwhile, in the Hell's Gate section of Death Valley, Sara and Warrick probe the apparent suicide of a 15-year-old boy found under a bedspread. The investigation intensifies when a girl's body turns up a half-mile away.
On his first day at work, Joe Quincy pieces together three news leaks and uncovers a scandal which forces Hoynes to resign.
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.
The murder of an admissions director of a private school leads the detectives to investigate a pair of angry parents whose children were denied admission, but then set their sights on the headmaster when they discover that the victim was about to go public with the denied admissions.
Jay decides to spend more quality time with Michael - by watching him play golf. Meanwhile, Jr., who only wants to go to college because Vanessa's going, asks Franklin for help with the application essay.
The owners of the Three Feathers Indian Casino have decided to buy out the town of South Park in order to create a super-highway from Denver to their Casino. The townfolk only have one night to make $350,000. So they head to the casino...
Joey returns to Capeside to find Dawson's script on her doorstep and is overwhelmed that he has written a story about three friends, but Dawson's movie-making dreams are shattered when Pacey comes clean about losing Dawson's money. The ensuing fight opens old wounds and leaves the three friends believing their friendship will never be the same. Also, with classes at Worthington over, Joey says goodbye to Audrey who has to stay behind to attend summer classes. And Jen invites her mother, Helen, over to Grams' house where she wants her to tell Helen about her cancer.
For a health class assignment, Bridget and Kyle have to take care of a sack of flour as if it were a baby. Kerry and Rory bake cookies for the Great American Bake Sale to help put an end to childhood hunger in America.
After dying to save a boy, delinquent tough guy Yusuke Urameshi is granted another chance at life by redeeming himself as a "Spirit Detective."
Palmer's cabinet invokes the 25th Amendment in an attempt to remove him from power. They place him on trial for his extreme actions during the nuclear bomb threat. Jack and Michelle work against the clock to prove that the evidence against the Middle East is false.
Clark runs up against super-strong robbers who are apparently tied to LexCorp. And Chloe begins to ally with Lionel, while Lana and Henry Small bond.
Burton, Lulu & Nick each find themselves in tight spots. Burton tries to stop Shannon from being hurt, Alvin finds Nick & Lulu at the office late Will they still have jobs after Alvin finds out?
Rory makes plans to attend the prom. Lane's rock band debuts at a big party, where longstanding animosities finally explode.
When Gracie adopts an abandoned bird, the household cries fowl about the annoying addition to the family.
Frasier learns that Dr. Phil McGraw is in town for a special. The two are old friends, but Frasier is angry at Phil for supposedly swindling him out of $200 in a poker game. He reluctantly agrees to take the star-struck Roz to the set to see him.
After their horrifying loss at the vineyard, the gang turn against Buffy and begin to follow Faith instead. Meanwhile, Spike and Andrew travel to an old church to question a priest about Caleb.
As Andy and Connie prepare to finalize the adoption of baby Michelle, Frank Colahan's mom and dad show up. Connie sweetly and sincerely tells them they want the grandparents to be part of Michelle's life to the fullest extent possible.
A nervous Ephram feels the pressure of performing his first piano recital in Everwood; Dr. Brown and Dr. Abbott attempt to diagnose a man (guest star Dan Merket) with a mysterious sleeping disorder that leaves welts on his body; and Amy pretends to want to spend time with her grandmother, Edna, in order to secretly see Colin while she's grounded. Meanwhile, the town is buzzing with rumors of UFOs and aliens after locals observe something strange in the sky.
The team investigates the deaths of two college students who were in Miami on spring break. The first is a teenage girl found dead on a beach with her neck broken and human bite marks on her legs. The second is a young man found in the bottom of a hotel swimming pool who apparently died before he hit the water.