Bed, Bath and Beyond: Grace is in a bedridden pit of despair after losing Nathan. Will her friends' well-meaning remedies help things or just make them a whole lot worse? (S4, ep 7)
Sons & Lovers - Part 2: When Grace tries to mediate between a resentful Will and the free-spirited Nathan, she's surprised to learn that they have some common ground. (S3, ep 25)
The Third Wheel Gets the Grace: Season four begins as Jack gets acquainted with his newfound son, and Will and Grace's friendship causes rifts with Nathan. (S4, ep 1)
Past and Presents: Will's childhood nemesis joins the firm and resumes his old reign of terror. Meanwhile, Nathan's birthday sparks rivalry between Grace and Karen. (S4, ep 2)
Crouching Father, Hidden Husband: Jack enlists Grace's help for his son's junior high dance. Plus, Karen learns a lesson about the boy who cried wolf. (S4, ep 3)
Prison Blues: Grace moves into Karen's apartment and becomes hooked on the extravagant lifestyle. Meanwhile, Will attends an acting class with Jack. (S4, ep 4)
Loose Lips Sink Relationships: Jack plays devious matchmaker when he sets his female supervisor up with Will who, incidentally, is desperate to model for her catalogue. (S4, ep 5)
Rules of Engagement: Nathan pops the question but it's hardly the fairy tale Grace envisioned. Elsewhere, Will attempts to educate his more morally challenged friends. (S4, ep 6)
Bed, Bath and Beyond: Grace is in a bedridden pit of despair after losing Nathan. Will her friends' well-meaning remedies help things or just make them a whole lot worse? (S4, ep 7)
Star-Spangled Banter: There's a political palaver when Will and Grace end up backing opposing candidates simply because they're gay and Jewish respectively. (S4, ep 8)
Moveable Feast - Part 1: Will, Grace, Jack and Karen team up for a whirlwind Thanksgiving tour, taking a pit stop at each other's respective family homes. (S4, ep 9)