NBC Comedy Vault

Jack sets up unsuspecting Will on a date with a smitten supervisor; Grace and Nathan swap sexual histories.

Nathan's marriage proposal doesn't fulfill Grace's childhood fantasy, and she finds it dispiriting.

Will, Jack and Karen try and rouse a devastated and bed-ridden Grace after she loses her boyfriend, Nathan.

Will and Grace back different candidates for the upcoming mayoral election.

Will, Grace, Jack and Karen make a day of it as they head to Thanksgiving get-togethers at the houses of their respective families.

Will, Grace, Jack and Karen make a day of it as they head to Thanksgiving get-togethers at the houses of their respective families.

At the gym, Will sees a man (Patrick Breen) who seems familiar, while Jack tries to popularize a new saying.

Grace is hired to decorate the windows at Barney's; Will meets a ballet dancer and is too embarrassed to introduce his friends.

Grace schemes to hook up the mistress (Lesley Ann Warren) of Will's father with another man in order to break up the relationship.

After rediscovering a handsome high-school friend who's doing time, Grace dreams of their life together outside the Big House.

Grace reveals her ex-boyfriend's faults to his bride at the wedding rehearsal; Elliot's mother (Rosie O'Donnell) demands that Jack never see him again.

Jack uses Grace as bait to expose a rival (Matt Damon) as heterosexual in order to secure a spot in a gay men's chorus.

Will and Grace try to find more expansive digs despite the efforts of Sandra Bernhard; Jack stumbles across Karen's lowlife mother (guest star Suzanne Pleshette).

Moving into their new dream apartment makes Will and Grace homesick; Jack tries to reconcile Karen with her grifter mom (guest star Suzanne Pleshette).

Will presents his newly reconciled parents (Sydney Pollack, Blythe Danner) with a cruise for their anniversary, but their individual secrets ruin his hopes.

Will salvages a cherished garden gnome in the aftermath of his parent's divorce; Jack's afraid of being typecast as a straight man.

When Jack works instead of taking his son to a basketball tournament, he learns from Will that he missed his son's first kiss with a girl.

When the bride-to-be gets sick, Will persuades Grace to help plan the wedding for his visiting friends.

A detective (Michael Douglas) helps Will search for his stolen computer; a crazy neighbor (Molly Shannon) opens a business and prospers by stealing Grace's ideas.

Will takes Grace to have her picture taken after he wins a sitting with an eccentric celebrity photographer.

Will wants Grace to be the mother of his baby; Jack and Karen are inspired to pursue their own goals.

Will and Grace vacillate on artificial or natural means of conceiving a baby; Jack receives career advice from his show-business idol, Cher.

Will and Grace vacillate on artificial or natural means of conceiving a baby; Jack receives career advice from his show-business idol, Cher.

A dashing doctor (Harry Connick Jr.) on horseback rescues Grace; Karen debates cheating on her imprisoned husband with hot-blooded suitor Lionel (Rip Torn).

Stalking Kevin Bacon (guest starring as himself) pays off for Jack when he is hired as the actor's personal assistant; Will and Grace pursue parenthood. Harry Connick Jr. and Rip Torn also guest star.

Smitten with the handsome doctor (Harry Connick Jr.), Grace stalls for time to reconsider having a baby with Will.

Karen and Jack hatch a plan to end Will and Grace's ongoing feud by tricking them into attending the same child's birthday party.

Leo (guest star Harry Connick Jr.) drags Grace on a scary cycling trip in the autumn countryside. Jason Marsden also guest stars.

Will's aggressive new boss (Gene Wilder) orders him to fire his friend; Grace and Jack discover Karen is living out of her limousine.

Grace uses indecorous language when meeting Leo's parents; Jack's acting coach (Eileen Brennan) disparages his meager talent.

Grace begins to have cold feet as her relatives start arriving for her wedding, while Will tries to overcome his mixed emotions.

Will is uneasy about the whole idea of Grace marrying Leo (guest star Harry Connick Jr.). Debbie Reynolds and Katie Couric also guest star.

Will invites Karen to move in with him after she is kicked out of the Plaza Hotel; Elton John is an all-seeing arbiter of gay style.

Grace has only two tickets to "The Nutcracker" and cannot decide whether to take Will or Leo. Mary McDonough guest stars.

Jack convinces Will to join a gay soccer team; Karen is giddy in anticipation of her date with a handsome restaurateur (Andy Garcia).

Grace is puzzled by her new neighbor -- a bizarre bohemian woman.

Will and Jack coach Karen's cousin (Dan Futterman) on his new gay lifestyle, reminding Will of his own experience of coming out in 1986.

Karen's rival (Minnie Driver) attempts to manipulate Jack; Will and Grace revitalize their friendship with a night of board games.

Jack encounters his former babysitter (guest star Demi Moore) and lapses into childlike behavior. Rosanna Arquette and Leigh-Allyn Baker also guest star.

Will and Jack's transformation of Karen's cousin Barry is complete; Karen duels with Beverly during a silent auction for charity.

Jealous Will spots Barry (Dan Futterman) disappearing with Jack; Karen trades places with Rosario to woo a handsome handyman (Bruno Campos).

Will forms an anti-romance club with Karen and his boss (Gene Wilder).

Will attempts to surprise Grace for her birthday by sneaking Leo back from Africa; Jack and Karen take their mission to keep Leo's return secret too seriously.

Karen's search for a roommate leads to a high-maintenance individual, who shares many of her eccentricities; Grace and Jack intervene when Will uses painkillers as a crutch.

Karen hires a somewhat immature divorce attorney (guest star Macaulay Culkin) to oppose Will in court.

When Karen's ex-husband dies, she and her British rival (Minnie Driver) have a contest of wills; Leo (Harry Connick Jr.) is needed in Guatemala.

Karen confronts her ex-husband's mistress before inviting everybody for a ceremony on her yacht; Grace suffers from jealousy after meeting her husband's sexy co-worker.

Will and Jack awake in a precarious position while at sea; Grace discovers love letters in Leo's bag from a female colleague.

Grace is vexed when she learns that Leo's ex-girlfriend (Mira Sorvino) is intimately acquainted with Will.

Karen invites Grace and Leo to play tennis at her exclusive club, but her fierce playing style drives Grace away.

Jack lands a speaking role opposite James Earl Jones in an off-Broadway play and gives the veteran actor some pointers.

Will takes Leo on shopping sprees and for high tea to help him rekindle his love of the city; Karen coaches Jack for the annual gay spelling bee.

Will takes his mother for an afternoon stroll and bumps into an attractive bachelor (Dylan McDermott); Karen continues her lifelong quest to hunt down hubby-stealing Lorraine.

An unorthodox doctor (Jack Black) gives Karen her annual physical; Jack begs Will to support his decision to become a student nurse.

Will urges Grace to stay in New York so they can spend some time together; Karen strong-arms Jack's nursing teacher into letting him skip class but still make the grade.

Will catches the eye of a female diner after being stood up; Grace bumps into a man (Tom Everett Scott) with whom she once shared a forgettable encounter; Karen runs into her nemesis, Candice Bergen.

A weak bladder forces Will to entrust Grace with his place in line for Barry Manilow tickets; Grace's mother (Debbie Reynolds) cancels their annual mother-daughter shopping trip to have dinner with Jack.

Grace's freeloading sister (Geena Davis) comes to town to launch her latest business enterprise; Karen spurns Lyle (John Cleese), then changes her mind after Lorraine (Minnie Driver) expresses her disapproval.

A rich plastic surgeon (guest star Hal Linden) tries to buy Will's affection; Grace boycotts a new restaurant.

Will's new client (Dave Foley) falls for Jack; Grace and Karen discover hidden money while trying to fix the plumbing in Leo's cabin.

Will is the only single man in a cooking class full of couples, including Jack and his new boyfriend (Dave Foley); Karen's mother (Suzanne Pleshette) asks Grace to decorate her apartment.

Will and Grace begin a business venture selling apartments; Jack runs into his former acting mentor, Zandra; Karen and Lyle (John Cleese) try to renew romance.

Will and Grace try to break up Jack and Stuart (Dave Foley) so they can sell the apartment for a higher price; Karen demands that Lyle (John Cleese) discipline his daughter (Minnie Driver).

Real-estate entrepreneurs Will and Grace face formidable competition on the East Side from a lesbian couple (Edie Falco, Chloe Sevigny); John Edward gives Karen some psychic guidance.

Jack and Grace stumble upon Stuart (Dave Foley) watching a movie matinee in the company of another man; Will tries to teach Karen how to drive.

Grace advises Will to play hard to get with his new boyfriend (Bobby Cannavale); Jack and Karen despair after learning their favorite TV series will be going off the air.

Will introduces his new boyfriend (Bobby Cannavale) to overly critical Grace; Karen tells Jack that their friendship will change after her wedding.

At Tina's (Lesley Ann Warren) urging, Will tries to find out if there is a new woman in his father's life; Jack's son decides to try out for the high-school cheerleading squad.

On the eve of his graduation from nursing school, Jack turns to Will for help writing his commencement address.

Karen moves her wedding to Las Vegas, where Jennifer Lopez agrees to sing at the ceremony.

Karen moves her wedding to Las Vegas, where Jennifer Lopez agrees to sing at the ceremony.

Karen recruits Jack to help her get Jennifer Lopez to listen to Karen's new song; Grace takes out her frustration over her cheating husband on Will.

Jack wangles his way into Janet Jackson's (guest starring as herself) performance tour as a backup dancer.

As she attempts to steal doughnuts at an AA meeting, Grace has a surprise reunion with Val (Molly Shannon); Will and Jack attend a gay television focus group meeting.

Grace accuses Will of being too nice to strangers; Jack has trouble at his new company when his co-workers mock him about his Cher doll.

Despite the fact that Will has never had a happy birthday, his new relationship with Vince (Bobby Cannavale) gives him hope that this one will be.

Will convinces Jack to aid a local gay-bookstore owner to save his store from closing.

Will and Grace decide to invite Vince and Nadine (Kristin Davis) over, but they quickly learn that, despite similarities in friendship, they are polar opposites.

After a great date with someone else, Grace comes home to a garbled message from Leo; Karen and Jack try to set each other up, but things go awry.

Will, Grace, Jack and Karen go on a road trip for Grace's getaway weekend, but Jack and Karen hate the car ride and bail on the plan.

Vince's mother cannot make her traditional holiday feast, so Will volunteers to make a special meal, but Vince's mother refuses to give him any credit; Jack gives Vince's sister (Jamie-Lynn DiScala) pointers on keeping secrets.

Vince's mother is unable to make her traditional holiday feast, so Will volunteers to make a special meal, but Vince's mother refuses to give Will any of the credit; Jack gives Vince's sister (Jamie-Lynn DiScala) pointers on keeping secrets.

Grace accidentally breaks a treasured figurine at Will's mother's (Blythe Danner) holiday party and blames it on another guest.

An old classmate (Jeff Goldblum) tries to get revenge on Karen by becoming the president of Walker Inc.; Will and Grace run into Vince and a co-worker while playing hooky from work.

Will is reluctant to bring Vince to a dinner party at his boss's (Lily Tomlin) home, fearing it will scratch his chances of making partner at the firm.

When Scott Woolley (Jeff Goldblum) tries to get Grace to fire Karen by impersonating a restaurant owner, the women plan a trap for him.

Although Grace tries to ignore St. Valentine's Day, she winds up with a hunky greeting-card writer (Ed Burns); Karen's former nemesis (Jeff Goldblum) tries to win her heart by showering her with gifts.

Grace drags Will along on her first date with Nick (Edward Burns); Karen tries to set Jack up on a date with the neighborhood bird enthusiast (Luke Perry), but things don't quite go as she has planned.

When Will agrees to fire Karen's pastry chef, he becomes involved in a love triangle that the baker created.

When Jack convinces Will that they need a change of scenery, they buy an apartment in an up-and-coming gay community.

Will is jealous when his no-nonsense therapist (guest star Sharon Stone) becomes fast friends with Grace.

Grace convinces Karen to attend her father's (Alan Arkin) birthday party; Karen entertains herself by spending time with Martin's friend Burt (Lee Majors).

Grace's near-death experience prompts her to write her will and jolts Will into making a life-altering career choice.

When Will's writing career fizzles, Malcolm (Alec Baldwin) makes him another job offer; Grace's old college flame (Eric Stoltz) gives her a job decorating his new hotel.

Will becomes suspicious of his new job when he finds himself in an empty office with a German shepherd and a Russian-speaking thug.

Grace contemplates an affair with a married man (Eric Stoltz); Jack begins his new career as a talk-show host; Will continues to hide from Karen the fact that Stan is alive.

When Will suspects that Karen is more upset about Stan being alive than she is letting on, he makes it his mission to help her heal emotionally.

Jack learns that Will has never learned how to swim, so he makes it his mission to teach him.

Jack tells Karen he believes she belongs with Stan, not Malcolm (Alec Baldwin).

Jack brings Baby Glenn (Jason Biggs), who gained notoriety in the '80s after being trapped in a hole for days, to Will's charity auction and carnival.

Grace and Will spot her ex-husband, Leo, on their plane to London; Will charms a pair of gay flight attendants into letting Grace into first-class to talk with Leo.

Jack's decision to move makes Will take a close look at their friendship; Karen and Grace are invited to the memorial celebration for Beverly's (Leslie Jordan) deceased wife.

When Grace finds it impossible to please her mother, Jack offers to help, believing no one knows how to be a good daughter like a gay son.

When the gang spends Christmas at the home of Will's mother, Marilyn Truman (Blythe Danner), Grace gets romantic with Will's brother.

"The Sound of Music Sing-Along" has come to town and no one is more excited than Grace; she plans for her and Will to attend the musical in character-like style by dressing up in costumes.

All of New York society attend Karen's birthday party, but Will, Grace and Jack embarrass themselves and get stuck in the bathroom with the birthday girl.

Will insists that Grace turn down a job offer from his former boss, Margot, who has asked Grace to redecorate the law firm.

Will and Grace dread a dinner date with Rob and Ellen, but the identity of their waiter (Bobby Cannavale) eclipses their friends' big news.

Will, Karen and Grace travel to Los Angeles to support Jack as he accepts an award for Best Local Cable Guy Talk Show Host.