It's the Gay Pumpkin, Charlie Brown - S5-E5
Continuity mistake: In the scene where Grace is fixing her bike chain, there is black line going across her cheek. The shape and size of the line changes several different times.
Boardroom and a Parked Place - S5-E6
Continuity mistake: Grace recognizes Karen's limo parked on the street and comments on the red, green, and yellow paint on the bumper where she hit that clown. Actually, the colors on the bumper are yellow, red, and a bright blue.
Boardroom and a Parked Place - S5-E6
Continuity mistake: When Will is talking to Mr. Stine in the company toilets, as Stine acts all nervous, Mr. Stine's tie knot changes position a few times during their conversation, and in some shots it is pulled up tight and sometimes more loose.
Continuity mistake: When Leo and Will are at the expensive brunch buffet, Grace is telling Leo about getting food from the back tables of the buffet. Between shots the position of the items on the plate which Grace holds changes.
Continuity mistake: When Will, Grace, Leo, Jack and Karen are out in the park with the picnic, the football which Jack throws boomerangs back. The items on the picnic spread change position a few time, and also after the football smashes them.
Marry Me a Little More - S5-E9
Continuity mistake: When Jack is trying to prepare his wedding speech, he taps some wine glasses, which smash. He then puts them on the piano. In following shots the wine glasses, spilt wine and broken glass on the piano changes position / (dis)appears.
Marry Me a Little More - S5-E9
Continuity mistake: When Karen goes into the room to speak to Grace before she gets married, Karen's feather boa is on her shoulder, off her shoulder, on her shoulder...
Continuity mistake: When Will and Grace are talking to Karen outside, as she sits on the bench, about how they'll always be a family, the people walking past them on the street behind keep changing, appears, disappearing etc. between shots.
Continuity mistake: After Will and Jack unwrap their breakfast Jack puts the wrapping that the Smart Start cereal box was wrapped in, on the table. In some shots during the rest of their conversation, the wrapping actually vanishes in some shots.
Continuity mistake: After Will and Grace find Karen asleep on the top of the sofa, Karen sits down on the sofa, and puts her beer bottle on the couch next to her. When Grace comes over with her holiday photos, the bottle has gone.
Continuity mistake: When Will and Jack are having breakfast, in one shot Will pours some milk into his cereal bowl, then puts the milk bottle down on the table, and it doesn't have the lid on it. In the next shot the red lid is now screwed on top.
Continuity mistake: When Karen puts on Tom Jones music on the CD player, she begins to dance. There are headphones on the CD player, with the black wires hanging down in front of the player. In one shot of Karen dancing, the headphones / wire vanishes.
Continuity mistake: After Will and Jack unwrap their breakfast, the pour some of the Smart Start cereal into their bowls, then put the box on the side. Between subsequent shots the box continuously alternates from having it's front / back facing us.
Continuity mistake: After Will and Jack unwrap their breakfast, Jack puts the wrapping that the Smart Start cereal box was wrapped in, on the table. In following shots the wrapping keeps changing position, from spread out, scrunched up, etc.
Continuity mistake: When Will and Grace are standing outside Will's apartment, after Grace arrives back from her honeymoon, Grace is holding a handful of photo envelopes. Between shots the way she holds these envelopes changes.
Fagmalion Part Two: Attack of the Clones - S5-E15
Continuity mistake: Leo brings Grace a cookie bouquet to her workplace, and sets it down on her desk. In following shots, the position of the cookies changes a couple of times, most noticeably as Karen comes out from hiding behind the screen.
Continuity mistake: When Will and Grace are competing in the 'Game Night,' Will is drawing a pictionary on a big white board for Grace. Between shots, during him drawing it, the picture changes. Notice how the lines and shapes are drawn slightly different.
Women and Children First - S5-E17
Continuity mistake: When Jack and Sissy are sitting in his apartment, discussing what they've done with their lives, they both have mint cookies that they eat while they talk. The bites and size of their cookies, most noticeably Sissy's, change between shots.
Fagmalion Part Three: Bye, Bye, Beardy - S5-E18
Continuity mistake: Grace lays out some dresses and accessories on the bed, for Will to choose for her to wear. After Will picks up one dress and takes it over to the mirror, the dresses and accessories on the bed change position between shots.
Fagmalion Part Three: Bye, Bye, Beardy - S5-E18
Continuity mistake: When Karen and Beverly are fighting over the clipboard at the silent auction, in one side shot the clipboards on the table are out of place and untidy. In the next shot the clipboards are back neatly in place like before.
