NBC Comedy Vault

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.

Karen ignores Grace's plea for a low-key wedding and plans a huge affair, hiring Hall & Oates to perform "Maneater" at the ceremony.

Nervous but optimistic Grace decides it is time to tell Leo (Harry Connick Jr.) she is pregnant with his child.

Ecstatic, Jack coerces Will into coming out with him to a cowboy bar to meet his new boyfriend, Travis.

A large corporation takes over OutTV, completely revamping Jack's talk show and giving him a conservative co-host, Britney Spears.

Jack loses his hosting job and vows never to return to acting; Will has a showdown with his father.

At his father's funeral, Will grapples with their last encounter; Grace begins to doubt her potential to be a good mother.

Will and Grace attend childbirth classes; Karen seeks comfort from very busy Jack.

Will and Grace settle into the idea of raising the baby together; Vince's plans to move into a brownstone with Will do not include Grace; Jack's show premieres; Will must choose between his commitment to Grace and his relationship with Vince.

Will and Grace make a decision about their future together; Jack continues his never-ending search for love; Karen tries to find happiness in Stan's absence.

Will and Grace make a decision about their future together; Jack continues his never-ending search for love; Karen tries to find happiness in Stan's absence.

Will and Grace both falter when their political beliefs are put to the test; Jack and Karen help Will and Grace hide their secret shame from each other, but the truth finally comes out.

Will and Jack try to date younger guys but find it challenging; Grace and Karen experience a crisis that reveals Grace's true feelings about Karen.

Grace finds that the emergency contact called by her doctor's office is ex-husband Leo, not Will; Jack takes on a new job; Karen befriends a 12-year-old girl in the Bronx.

Jack is stunned to learn that his estranged son has a son of his own; Grace and Karen behave badly with the hot new guy at work.

Grace gets a job decorating a string of boutique hotels for an obnoxious hotel mogul; Will is surprised at his reaction to becoming senior partner; Jack owns half of a winning lottery ticket.

Karen has trouble dealing with a personal tragedy; Will, Grace, and Jack try to intervene; Will and Grace's new business relationship begins to show signs of stress.

Will, Grace, Karen and Jack wish they could have experienced Christmas in old New York, but realize the past was not quite as romantic or open to diversity as they pictured it.

Will and Grace try to convince themselves they are okay with dating the same man; Jack and Karen get an annoying commercial jingle stuck in their heads and must seek medical attention.

Will and Grace's old friend Larry decides he's in love with Will; Jack's first day as a Lyft driver doesn't go as planned; Karen tries to help Jack but ends up needing help rather than giving it.

Grace tries to prevent Will from making a scene at his ex-boyfriend's wedding; Jack's wedding hook-up comes with strings attached.

Jack's intimacy issues are challenged by a closeted boyfriend; Will and Grace sell their new line of bedding on live television.

Grace is horrified to realize that she's dated three men from the same family; Will and Karen get on each other's nerves at the office until they bond over watching -- and producing -- their own little telenovela.

A baby shower makes Grace and Will question their life choices; Karen and Jack find a way to combine child labor with musical theater.

Against Jack's advice, Will rekindles a relationship with his first love; Grace reluctantly fights for Karen's civil rights when a bakery refuses to make a cake she wants.

Grace brings Will for support when she goes home to celebrate her deceased mother's birthday; Jack's faith in love is crushed after a breakup; a secret in Karen's marriage is uncovered.

Grace's father and Will's mother end up making a surprising and upsetting connection; Jack rebounds from his breakup with a new love; Karen must decide between her husband and her lover.

Grace's accidental run-in with a curmudgeon she follows on Twitter smacks of romance; Jack makes a terrible impression on Estefan's family after a numbing cream incident; Will helps Karen protect her most prized possession.

After Will and Grace's parents get married, big changes are afoot for the gang: Will gets a teaching job and a beard, Grace decides to run for office, Jack prepares to settle down with Estefan and Karen goes missing.

When Jack learns what song his grandson Skip intends to perform at his church talent show, he fears for his safety; Karen faces off with Beverley Leslie over her piece of border wall; Grace and Noah try to have sex; Will unleashes his inner Queen.

Now a certified psychic, Jack channels Rosario to help Karen open her heart to love again; Grace learns love means having to say she's sorry.

While on a road trip with her father, Grace reveals a past secret, changing their relationship forever; legendary drag queen Miss Coco Peru emcees a lip sync monologue throw down to determine who will be Jack's best man, Will or Karen.

When Will discovers Noah has a child, he promises to keep the secret from Grace; Karen and Jack's relationship is tested when she fires him from the play she's producing and replaces him with Jon Cryer.

Grace unintentionally meets Noah's daughter Katie; Will's mom Marilyn visits after the death of her beloved dog, but doesn't get the emotional support she expects; Jack argues with his rec center boss, Theo.

In order to land a handsome TV news anchor with a penchant for dim, silly men, Will seeks advice from Jack on how not to be himself; Karen enlists Grace to help get photos of her ex Stan's affair with Lorraine Finster.

Will, Karen and Jack unknowingly take hallucinogens, which cause Will and Jack to wonder whether they're soul mates and have Karen giving her final performance as Mrs. Stanley Walker; a high-powered client takes up with Grace's sister Janet.

Will and Grace's plan to win over Will's new boss goes awry when he drops dead in their apartment; Estefan and Karen's mutual dislike puts Jack in full damage control mode at his birthday dinner.

Will uses a mock trial in an attempt to repair the rift between Karen and her stepdaughter; Grace and Jack decide to go on a diet together but changing their eating habits proves harder than they thought.

Malcolm enlists Grace to help him win back Karen's affections; Will's flirtation at work lands him in an ethical dilemma; Jack's passion for performing is reignited by a chance encounter with Susanna, the sister of his former acting teacher.

Will gives local newscaster McCoy Whitman a second chance -- with Jack's help; Grace's campaign hits a snag when the deciding vote belongs to her nemesis Val; campaign manager Karen attempts to secure the winning vote by any means necessary.

Jack's insistence that Will be nicer to Estefan backfires; Grace unknowingly knocks over a prominent figure; when Karen discovers Noah plans to kill off the main character of her favorite romance novel, she forces him to rewrite the story.

After her dad, Martin, is rushed to the hospital, Grace is shocked when he refuses a transfusion of Will's blood; Will's mom, Marilyn, uncharacteristically takes Martin to task; Karen's demands cause Jack to uninvite her to his wedding.

When both of their boyfriends ask to move in, Will and Grace use each other as an excuse to get out of it; a snowstorm traps Karen at the office and Jack in an elevator, where he reunites with old flame Drew and tests his commitment to monogamy.