A new UFO sighting sends suspicion and fear through the town and leads Max and Isabel to investigate the incident during a school camping trip.

Stardate: 53556.4 When Voyager goes to the rescue of a strange race's ship, the race learns of "singing" from the Doctor. This race, who look down on the Voyager crew as being technologically inferior, are enthralled by this singing, which is new to them. They invite the Doctor to give a recital on their home world, and soon he decides he should stay there, on the planet, leaving Voyager to go on its way. However, the Doctor soon gets a big shock from his new friends.

Dawson makes the radical move of dropping out of film class to spend some time re-evaluating his teenage years. Back at Potter's, Joey is torn between attending Pacey's opening night and her date with A.J., who has come to Capeside for the evening. At the play, Andie must take over as director when the faculty director takes ill; and Jen agrees to meet Henry, but she throws him another block by bringing Grams as her date.

Matt's brother and sister-in-law come to town and reveal that they cannot conceive a child on their own. They ask Matt to be their surrogate father. Kelly objects and orders Matt to turn them down, then becomes angry upon learning that he told his brother that he had to bow to her wishes. She later realizes that not everything is about her and gives Matt her blessing. Gina, with Dylan's help, gets a shot at another television job. The man will not hire her unless she helps his teenage son lose weight before the school dance. Gina loses the job (as usual) after she encourages the boy to stand up to his overbearing father. She convinces the man to treat his son with respect by detailing the way that her pushy mother shaped her life. Gina escorts Michael to the dance, where Dylan surprises her by showing up to give her the prom she never had. Donna dates the clothing buyer for a chain of stores. He buys a bunch of her designs, but Donna nixes a relationship because they have nothing in common. She becomes jealous when David gets involved with Camille Desmond, the editor of a fashion magazine. Steve confesses his past fling with Darby to Janet, who fires the woman. Steve suffers a bruised ego because Darby doesn't remember the encounter. Josie fears for her life because she had to flush $90,000 worth of merchandise; she insists that the other dealer will kill her. Josie asks Noah to lobby Dylan on her behalf. He refuses to help. Josie's brother Shane and another man kidnap Noah at gunpoint, as they assume that someone would actually pay to get him back. Music 'Take a Picture' by Filter, 'If You Believe' by Sasha.

Josh and Sam meet with the Senate appropriations subcommittee to try to get Leo out of having to attend a hearing over his past alcohol abuse problems. Bartlet and the staff debate what the appropriate response should be to the new sex education study while Mandy believes that a couple shouldn't attend the signing of a hate crimes bill brought on by the death of their son. Meanwhile, C.J. continues to flirt with a White House reporter, Toby goes up against congressmen holding up the appointments for the Public Broadcasting Corporation, and Bartlet urges Zoey to drop a sociology class when the professor teaches ideas very different from his own.

The investigation of a schizophrenic woman's death leads to a case involving a homeless man and his right to refuse medication.

Tonight, actress and model Jenny McCarthy.

Suspicion is aroused on the ward when a prisoner is brought in under guard having swallowed drawing pins. The nature of his crime divides opinions and friendships between the staff.

Hugo has the model contracted on purpose and at the request of Sofia and Armando, whom she asked for the favor. Betty gives Armando a guarantee for the Ecomoda embargo.

This is the story of the race to produce man-made gem diamonds, from the first faltering steps 50 years ago, to today's 'New Alchemists' in Russia who are using the latest science and technology to produce perfect synthetic diamonds in an array of colors and sizes. And it is the story of how this leap in diamond-making technology has forced De Beers to develop ever-more sophisticated detection equipment, trying to spot the synthetics, while the physical distinction between real and man-made diamonds becomes more and more blurred.