For Martin's 65th birthday, Frasier and Niles engage in their yearly competition to buy him the better gift. They keep one-upping each other, until Frasier makes the ultimate sacrifice and buys Martin a humongous big screen TV. Niles, however, trumps him by buying Martin his old patrol horse, Agides.
Roz confesses to Frasier that she thinks she's pregnant. Niles hosts a costume party for the Library Association, with everyone dressed as literary characters. Frasier lets the news slip at the party. Niles, who is getting drunk, overhears it and misconstrues it to mean that Frasier has impregnated Daphne.
Frasier's show marks its 1,000th broadcast. In celebration, the mayor declares "Frasier Crane Day" and arranges a public rally at the Space Needle. Frasier acts embarrassed by the fuss, but his true feelings are revealed when a series of mishaps frustrates his and Niles's attempts to get to the rally.
Frasier agrees to give a celebrity lecture on a cruise to Alaska, and invites Niles and Martin along. Trouble ensues when Maris also comes along, and spots a flirtatious society friend coming on to Niles.
While receiving massages for their holiday stress, each member of the Crane family relates the story of the last few days, with subtle differences based on their own perspectives. Martin rehearsed a song with an impossibly high note to appear in a Christmas pageant; Daphne overheard him talking about it and mistakenly thought he was dying; Niles ruined his brand-new suit while trying to escape from a stuck elevator; and Frasier mistakenly let slip to Roz's mother that she was pregnant just before they appeared together as Santa and Mrs. Claus.
Daphne finds an engagement ring in Martin's drawer. Appalled at the prospect of having Sherry for a stepmother, Niles hires a private detective to check out her background. Furious, Frasier orders the investigation called off, but not before the detective reports that Sherry has no less than six ex-husbands. Worried that she is unable to maintain a relationship, the boys try to drop hints to Martin. Martin angrily informs them that he's known about her other marriages from the beginning. It turns out, though, that Martin has decided to break up with her because he ...
While the station is re-negotiating everyone's contract, Frasier refuses to re-sign with Bebe, and instead chooses as his agent an earnest do-gooder named Ben. He finds his resolve tested when Ben's angle, to connect Frasier's public image with a rare crane at the zoo, goes embarrassingly wrong.
Niles is optimistic about his progress with Maris under their new marriage counselor, Dr. Schenkman. Deciding to surprise Maris with a nooner at her house, he is devastated to find Schenkman already waiting in her bed. He tells Niles they plan to get married. Niles finally decides to end his marriage. Martin looks forward to a date with an attractive neighbor, but it turns out his date is with her 86-year-old mother.
Roz wins a weekend at a ski lodge, and trades it to Frasier. Daphne invites along her friend Annie, a swimsuit model. Frasier is taken with her, but she is interested in Niles. Added to the mix is their very handsome French ski instructor, Guy. Daphne is taken with him, but he is interested in Niles. That night, confusion runs rampant.
Brian, Lilith's husband, leaves her (for a man). Distraught, she comes to Seattle intent on seducing Frasier. He does his best to resist her, and she ends up sharing a night of passion with Niles. Frasier discovers them in her hotel room the next morning.
Frasier's cousin, Nikos, is getting married. His mother Zora, Frasier's aunt-by-marriage, has blacklisted the Crane family since Frasier advised Nikos to follow his heart in choosing his career (which meant dropping out of medical school to be a street juggler). Knowing that Martin misses his brother, Walt, Frasier begs Zora for forgiveness, and she joyfully invites them to the wedding. Niles is less than thrilled, knowing that it means seeing their man-hungry Cousin Yvonne again. At the rehearsal dinner, Frasier is troubled. To him it is obvious that Nikos misses his...
Dr. Clint Webber, the station's new host on health issues, is not only dazzlingly handsome, but also an Oxford graduate, a gourmet chef, a star athlete, and a polyglot. Frasier makes a pretense of friendliness, but after a while admits his jealousy and searches for a flaw, any flaw, in Clint's seeming perfection. Martin makes fun of a gourmet foods store that Niles frequents, and its French proprietor, Robert, but is forced to apologize when Eddie becomes hooked on the store's dog food.
Bulldog becomes a hero when he appears to thwart an attempted armed robbery at the café. Only Frasier saw what really happened: mistaking a different man for the robber, he pulled Roz in front of him as a human shield, inadvertently spilling his coffee on the actual robber. When Bulldog basks in his acclaim and refuses to confess, Frasier prepares an elaborate surprise to draw out his conscience at the SeaBea awards.
Frasier has a torrid affair with Caitlin, a young artist. Their physical chemistry is perfect, but Frasier feels guilty when he realizes they have nothing else in common. Overpowering lust distracts his attempts to break up with her, until a night at her apartment when she reveals some of her crazier habits.
Daphne overhears Niles talking about the woman he loves without realizing it is her. When she asks him who it is, his courage fails and he randomly names a neighbor woman, Phyllis. Daphne offers to prepare dinner for both of them at his apartment. While working together, they enjoy each other's company so much that Niles is prepared to tell her the truth, until the real Phyllis shows up at the door.
Roz stays with Frasier while her new apartment is being painted, and panics when she receives a message from Rick's parents, her baby's future grandparents. Frasier invites them for dinner. Both parents have enormous noses, and the Crane family spends the whole evening desperately trying to hide their laughter.
Fed up with their pathetic love lives, Frasier and Niles throw a singles party at Niles's apartment. They are soon at odds over the same woman. Martin tries dyeing his hair to appear younger for the party.
Frasier tries repeatedly to arrange a date with a young woman he met at the opera, but is late time and again because of some accidents. On the last night before she leaves Seattle, she agrees to meet him, but Frasier must find a way to escape from his own surprise birthday party. Niles preens over his new relationship with Allison, Frasier's attractive neighbor, but panics when he finds out that Allison is married, to a gun-crazy big game hunter.
On their way home, Frasier and Daphne join a protest outside a condemned bookstore. When the police start arresting the protesters, including Daphne, Frasier panics and flees. Feeling guilty, he impetuously takes a stand against the station's new policy of reading on-air advertisements. The new station manager, Kenny Daly, takes his cause to a higher authority, and is fired. Frasier and a group of the on-air talent protest directly to Mr. Martin, the station owner. Frasier gives a speech on believing in principles and following one's heart. Inspired, Mr. Martin ...