Greener pastures at another station lure Roz, who's also green with jealousy over Frasier's affection for Julia. Also: Daphne's mom prepares to move out at the behest of her daughter and son-in-law.

A sudden burst of affection from Julia fazes Frasier, who's her abettor in criminal mischief directed at his accountant. Elsewhere, Roz interviews for a job at a rival station; and Niles takes an unlikely liking to target-shooting.

David Ogden Stiers plays a visitor from Martin's wife's past whose tastes and manners suggest to Roz he could be Niles and Frasier's real dad. The prospect ruffles Martin, who is uncomfortable with the Crane brothers' affinity for their guest.

Ego trips up Frasier, bewitched by his former agent, the seductive and sneaky Bebe Glazer. Dr. Phil portrays himself. Also: Niles and Daphne imagine themselves as oldsters.

Elvis Costello plays a cheery musician, whose gig at the Cafe Nervosa annoys Frasier, who is further flustered by an adulterous friend.

The house that Frasier helped build for Habitat for Humanity is not a home until he decorates it, to the chagrin of its occupants. Also: Niles subs for Martin at a grade-school career day; and Daphne's mum waits tables at Café Nervosa.

A taste for caviar entices the Crane brothers on the "roe" to perdition with a shady Russian dealer selling Beluga at a bottom-line price.

Newly-divorced Kenny turns to Frasier for emotional help, but is more uplifted by Martin and their confabs at McGinty's saloon.

The brothers Crane are dragooned into taking part in a bicycling event benefiting charity. Now all they have to do is learn how to ride.

A new romance rattles Frasier: the gym teacher he's dating morphs into his old "derisive, ego-crippling" gym instructor.

Chaos reigns at Daphne's dinner party, catered by Frasier and crashed by Martin, who's mistaken for the guest-of-honor artist.

Visiting Lilith needs a "favor": she wants to have another child with Frasier and works her wiles in an effort to get him to agree.

A sexual-harassment matter embroils Frasier, who feuds injudiciously with a financial reporter who's as arrogant as he is.

A quirky physical therapist has a hand in Daphne's sessions with Martin; the Crane brothers con their way into a posh spa but are barred from the "gold-level access."

At Yuletide, the brothers Crane wrangle over who'll host holiday festivities; and Roz cozies up to a department-store Santa.

A convalescing Niles irks Frasier, who's unresponsive to his brother's potshots because of a penitent vow he took and now regrets.

Niles undergoes heart-bypass surgery in an episode that blends humor and poignancy, and interweaves telling flashbacks to the Crane brothers' youth.

Cardiac anxieties seize Niles; housekeeper hiring irks Frasier and Martin, who opts for a cavalier free spirit.

Mischief awaits Frasier at his son's bar mitzvah, where the teen's mother, Lilith, becomes uncharacteristically emotional.

On Halloween, pranks pit Frasier vs. Bulldog; and Daphne's feisty mum vs. a very inventive, 10-year-old trick-or-treater.

Roz's uninhibited and opinionated cousin irks Frasier and tires Roz, who joins cuz on the all-night partying circuit.

Agenda-driven Frasier gets Martin elected to condo-board president, but it turns out that Dad isn't the figurehead his son intended him to be.

A parking-garage dispute embroils Frasier with a stubborn attendant, angry motorists and his disconcerted passenger: Niles.

Wedding bells finally ring for Niles and Daphne, but not without familial complications.