Continuity mistake: In the opening scene when Grace, Karen and Jack sit at the breakfast table waiting for breakfast to be served, the napkin on the table in front of Grace keeps changing from sitting parallel to or facing away from her, the two crockery items on the table keep moving as well, as do the artificial fruits in the bowl. (00:00:30)
Continuity mistake: After Jack tries to take a bite out of the wax lemon, he puts it down on the table. A few shots later it is no longer on the table in front of him, then reappears for one shot in front of him, the disappears again. (00:03:30)
Continuity mistake: When Annette is talking to Will in the kitchen about him having to be one hell of a guy for Vince, there is a paper circle on the floor under the kitchen's centre table. When Jack enters the room, the paper has vanished and also a large glass bowl has appeared on the tabletop. (00:21:25)
Continuity mistake: When Grace and Karen are sitting around Sal at the dinner table, Grace pours out a glass of champagne for him. In the first shot the glass is 3/4 full, but in the next shot it's only about 1/4 full. (00:31:30)
Revealing mistake: In the scene when Will brings out the turkey, Karen clearly says "my God, this scene is so long!" Apparently Megan Mullally said it on every take due to the length of the scene and the amount of times they had to reshoot it.
Board Games - S7-E13
Continuity mistake: When Grace meets Jack in the Organic Grocer's, as she says she got his text, her phone swaps hands. (00:13:05)
Board Games - S7-E13
Continuity mistake: When Grace and Jack are talking to Vince in the Organic Grocer's and they find out he now works there, as Vince walks away from the cans he was stacking, he walks past a table with jam jars on it. In the next shot the position of some of the jars has changed. (00:15:05)
Board Games - S7-E13
Continuity mistake: When all of the board members leave the room after reconsidering their vote and giving it to Karen, when the shot changes and Scott enters the room, note that now all of the files on the table and the chairs around the table are in completely different positions. (00:19:40)
Continuity mistake: When Scott walks into Grace's office to face Karen, he closes the door. But a few shots later the door is open although nobody touched it, then closed again, then reopened. (00:03:35)
Continuity mistake: After Jack has shouted at Patti LuPone to be quiet so he can talk to Will, as Will is thanking Jack as the shots change, the teapot that sits on the table between them continues to change whether it's facing left or right. The items around the teapot (cups, food on plates, etc.) also differs. (00:17:40)
Dance Cards & Greeting Cards - S7-E16
Continuity mistake: When Karen sits down at the bar at the Valentine dance and Beverley Leslie pops up and frightens her, she pulls her hands back from the bar but in the next shot her right hand is back on the bar. Also the position of the strap on her purse, that sits on the bar, changes a few times. (00:08:50)
The Blonde Leading The Blind - S7-E20
Continuity mistake: When Will is talking with therapist Dr. Georgia Keller, when she walks away from the window she sits down and crosses her legs. Then as the scene continues her crossed leg keeps changing from being her right or her left leg. (00:03:40)
The Blonde Leading The Blind - S7-E20
Continuity mistake: In this episode, Karen doesn't want to get glasses because she thinks they make her look old. However, in a previous episode (S1E9) we see that she actually already wears glasses. In a scene where Jack asks her to read his script, she quickly puts on a pair of reading glasses.
It's A Dad, Dad, Dad, Dad World - S7-E21
Continuity mistake: In the opening kitchen scene after Will and Grace come back with coffee, in one shot Grace picks her coffee cup up from the counter then in the next shot her hand's empty. (00:00:30)
It's A Dad, Dad, Dad, Dad World - S7-E21
Continuity mistake: When Grace is talking to her Dad in the front room after first seeing him, she stands in front of a table with one of her bags sitting on it (behind her). During the scene the bag keeps changing location on the table without anyone moving it. Additionally the bags on the floor under the table move themselves around as well. (00:04:45)
From Queer To Eternity - S7-E22
Continuity mistake: When Grace is sitting with Marilyn, Marilyn starts putting little sandwiches on a plate for them. Between shots she puts them on the same plate three times and then the plate is instantly on the table in front of Grace in the next shot. (00:10:00)
From Queer To Eternity - S7-E22
Continuity mistake: When Karen and Jack are talking at the little table outside Jack's apartment, there is a little menu card (sitting inside a holder) on the table which moves itself as the scene continues. (00:11:50)
From Queer To Eternity - S7-E22
Audio problem: When Will and Grace are outside talking about the will Grace is going to write up, they sit down on some steps for a few minutes. When they stand up, Grace says "Now come on, why don't you accomplish us a couple of hot dogs," yet the line is clearly dubbed and her mouth is not in sync. (00:17:20)
Continuity mistake: At the beginning scene when Grace is sitting with the newspaper, when she puts the paper down and picks up the other one, between shots her mug on the table moves from being on her right to her left. (00:00:30)
Continuity mistake: When Grace gets up from the table at the start, the newspaper she leaves on the table is flat. When Jack enters, the paper is now all ruffled and scrunched up, then flat again. (00:01:25)