The hourlong ninth-season opener finds Frasier in a romantic quandary. On one hand, he's attracted to the devoted and doting Claire, his companion on the Caribbean trip in last May's finale. Yet, he's also drawn to the "challenging, sexy" Lana, the enigmatic figure from his past. Now, the torn and agitated shrink seeks help with his plight from family members and even absolute strangers. But the most forthright advice comes from two even more unlikely sources: his former fiancée Diane and ex-wife Lilith, both of whom Frasier confronts in fantasy sequences.
Still trying to decide whether to date Claire or Lana, Frasier is confronted by Diane and Lilith in a dream sequence.
A woman who is a wealthy business executive and a patient of Niles' has a crush on him, so Daphne looks through his patient files and goes to meet her to find out if they are having an affair. Meanwhile, Frasier and Martin try to catch a cricket loose in the apartment.
Martin remembers his last days as a cop while on his way to his new job.
Frasier hosts a party for the staff at the radio station to improve his image. Meanwhile, Roz dates a garbageman and Niles recalls his childhood memories with Daphne.
Frasier holds a "Dress as Your Hero" Halloween party, but nobody can tell who he is. Meanwhile, Niles dresses as Martin, Daphne as Elton John, Martin as Joe DiMaggio and Roz as Wonder Woman for the party.
An accident causes a mess on Frasier's carpet and the destruction of Martin's chair. Meanwhile, Niles gives piano lessons to talented Roz and not-so-talented Daphne.
Frasier celebrates his 2000th radio broadcast and has tapes of every broadcast, except one. But it turns out an obsessive fan has the tape.
Frasier and Niles compete to see some rare wine, owned by a rich relative of Kirby's girlfriend. Meanwhile, Martin must wear a blood pressure monitor.
Frasier gets an annoying new agent in the middle of a competition between him and a rival radio broadcaster.
Martin's boss at his new job bullies him, so Frasier decides to try and solve the problem.
When Daphne and Niles decide to move in with each other, Daphne's mother and Simon arrive on a surprise visit. Daphne and Niles decide to put off moving in together until her visiting relatives are gone. Meanwhile, Frasier feuds with Cam Winston, his neighbor, over where Cam parks his large vehicle.
Daphne and Niles continue to try and hide the fact that they have moved in with each other from Mrs. Moon. She makes such a mess of things that the only way she will leave is if Simon takes care of her, but Simon has left for California. Meanwhile, Frasier's neighbor Cam drapes the American flag over his balcony, and Frasier cannot complain because it would seem unpatriotic.
To attract youth to his radio show, Frasier appears on KACL's Teen Scene. But the high school host only ridicules him.
Niles plans on proposing to Daphne, so he prepares his speech; buys a ring; and hires a choir, a string quartet, a trumpet player and Wolfgang Puck. But Daphne's mother is still staying with them, and on the night Niles plans to propose, Daphne begins to feel ill.
Frasier is suspicious of Blaine Sternin, Lilith's former-con artist brother, when he visits in a wheelchair and is now preaching.
Niles sets Frasier up with Lisa, a patient who owns a bookstore, but they never run into each other. Roz sets Frasier up with Suzanne, an artist, who ends up hating Frasier. Martin sets Frasier up with Kris, an attractive girl from his building, who seems to know every man at the bar. But Frasier later runs into and hits it off with Lisa.
Frederick wins the National Spelling Bee, but the judges find that Frasier was mouthing the letters of the words during the competition.
Frasier and Niles return to their childhood home and recall what they believe to be a murder.
Frasier is still fighting with his neighbor Cam Winston, so Martin and Cam's mother pretend to be in love.
On his show one day, Frasier tells his caller Jeremy that Niles used to wet the bed. Although he doesn't mention Niles by name, Niles and most of Seattle realize who Frasier was talking about. Niles is of course angry with Frasier.
A few days later the Cranes, plus Daphne, head to Boston. Frasier is giving a speech at a conference and Niles will be making the introduction. At the airport, Frasier meets his old friend Cliff Clavin, who thinks Frasier has come for his retirement party. Not wanting to disappoint Cliff, Frasier says that's what he's here for...much to Niles' annoyance, as he has booked seats at an exclusive restuarant.
At the party, Martin bonds with Frasier's friend Norm Peterson, Daphne is fascinated with Cliff's stories and Frasier is enjoying telling everyone what it is like to be famous. Only Niles is not having a good time, until Carla, the waitress from Cheers, tells him some embarrasing stories about Frasier, which Niles decides to use in his introduction.
When Frasier radio show becomes syndicated in Spokane and replaces the local radio icon's show, his callers are angry.
As a birthday present, Niles surprises Daphne with a trip to Hawaii for two. However, Mrs. Moon falls into a state of total despair about her failed marriage, and Daphne feels bad about leaving her alone for the weekend. Niles hatches a plan to reunite Daphne's parents and get Mrs. Moon out of the apartment. He convinces a reluctant Daphne to take her mother on the trip, and secretly heads to England to track down Daphne's father. Niles hopes to at least convince Mr. Moon to come to the U.S. and give Daphne away at the wedding. He finds him at a bar, but Mr. Moon doesn't take too kindly to the idea of reconciling with his wife. Roz, depressed about her break-up with Roger, stays at the apartment to hang out with Frasier after Daphne's party. They end up sleeping together. Roz leaves in a panic the next morning, but promises that they will get together for dinner to talk things over. She promptly skips town and nixes plans for Frasier to join her at her family reunion in Wisconsin.
Niles eventually persuades the reluctant Mr. Moon to come to the U.S. and talk with his wife. He is prepared to leave immediately after Mrs. Moon rejects him, but Niles convinces him to stay for a while. Daphne is furious at Niles for interfering, as she feels her parents would eventually work out their problems on their own. She criticizes Niles for acting without consulting her. Niles and Daphne convince the Moons to join them for a romantic dinner. The plan works initially, but the couple soon gets into a brawl. Mr. Moon talks with Daphne and tells her that he and Gertrude are not going to reunite. A devastated Daphne fears that there is no point to marriage, but her father assures her that Niles is the right man for her. He cites the lengths Niles was willing to take to please Daphne as proof that he loves her much more than Mr. Moon ever loved Gertrude. Daphne realizes that he is right, and heads over to see Niles. She stuns him by telling him that she wants to marry imm