The Truth About Will & Dogs - S1-E10
Continuity mistake: Grace asks Will to watch the dog quickly as she goes to the bathroom. As she puts the dog on the sofa, the position of the wine bottle, wine glasses and cork on the coffee table change between shots. (00:26:40)
A Little Christmas Queer - S8-E9
Continuity mistake: When Will is sitting on the kitchen counter upset, he is eating butter biscuits from a tin, with the tin and the tins lid on the counter next to him. Then his mum comes in and they talk and at the end of the scene they hug; but now the biscuit tin lid has vanished although nobody touched it. (00:17:00)
Hey La, Hey La, My Ex-Boyfriend's Back - S2-E16
Revealing mistake: When Grace is unpacking her groceries, you can see some brand names have been covered up with black tape.
There but for the Grace of Grace - S2-E21
Continuity mistake: When Ben is mixing the salad with Karen, Karen walks away, and one of the wooden spoons they were mixing with falls onto the worktop. In a following shot the spoon has suddenly jumped back into the bowl so that there are two in the bowl, then in a later shot the spoon vanishes once again. (00:54:25)
There but for the Grace of Grace - S2-E21
Continuity mistake: When Shannon is asking Grace why she didn't go through with her marriage, there are three glasses of near-empty wine on the table. In one shot they all completely vanish, then reappear in the next shot. (00:55:40)
The Unsinkable Mommy Adler - S1-E13
Continuity mistake: In the restaurant scene, after Will grabs a breadstick and Grace snatches it from him, the position of the breadsticks in the bowl, in the centre of the table, constantly change through the whole scene. (00:33:50)
Where There's a Will There's No Way - S1-E7
Continuity mistake: Grace puts her chocolate donut down on her pad. It then vanishes, then reappears. (01:06:05)
Continuity mistake: After letting Campbell out, Grace pulls the white blind down the door, and it stops about halfway down the door, and gets stuck, and is still rolled at the bottom. In the very next shot, the white blind is now unrolled all the way down perfectly. (00:07:00)
Acting Out - S2-E14
Continuity mistake: Jack's scarf keeps changing position as he is riding his bike alongside Will and Grace, down the street. The scarf repeatedly alternates from behind/in front of his shoulder. (00:00:35)
Continuity mistake: When Jack is trying to hush the audience at his show Jack-Talk after bringing Grace onto the show for a follow-up interview, between shots the little bell on his desk moves from his right (near the edge) to over past his left, near the centre of the desk with all the other items. (00:15:55)
The Finale - S8-E23
Continuity mistake: In the shots of the dorm hall showing Ben and Lila moving into their rooms, the two cardboard boxes outside Ben's dorm keep switching which one of them has writing on it. (00:31:25)
Continuity mistake: When Will and Grace are at the Lamaze class and are introduced to the basket full of plastic baby dolls, the positions of the dolls in the basket changes between shots. (00:10:25)
Continuity mistake: When Will pulls down the chart which is recording Grace's pregnancy patterns, he draws a red cross in a box. In the following shots the appearance of the cross keeps changing between two obviously different crosses (from two takes edited together.) (00:14:25)
Continuity mistake: When Grace is talking with James in the hotel lounge, he is sitting at a table which has his magazines and cooking recipes spread all over it. After James says he thinks Grace is a hooker, the spread out magazines/papers are suddenly all in one neat pile in the centre of the table - instantly. Then as the scene continues the papers and magazines continue to shuffle or neaten themselves. (00:16:40)
The Definition of Marriage (1) - S8-E15
Continuity mistake: When Grace is standing in The Wedding dress and Karen is talking to her and complimenting her, there is a long cream-coloured ribbon which is coiled back over her shoulder. Then in the next shot the ribbon is suddenly hanging all the way down her front. In the next shot it is back behind her shoulder. (00:07:35)
Continuity mistake: When Will is packing his suitcase to leave the hotel, he walks over to his case and places his "shirtboard" on the table next to it. In the next shot the board has vanished although he nor Grace didn't touch it. (00:12:50)
Von Trapped - S8-E10
Continuity mistake: When Jack joins Karen in the theatre, he places his box of 'Fireballs' on the wooden edge in front of him and the barcoded side faces the camera. In the next shot the box has instantly moved, as now we see the other side with the logo instead. (00:07:40)
Continuity mistake: At the end when Will sits beside Jack on the hay, Jack is holding a giant lollipop. When he puts it down on the side next to him, in the following shots its position continues to change. (00:19:25)
A Little Christmas Queer - S8-E9
Continuity mistake: When Grace and Sam are up in the attic sitting on beanbags and talking across a makeshift table, Grace's champagne glass is placed right in front of her. Yet in one shot the glass moves to the other side of the 'table' and then back to its original place in the very next shot. (00:19:00)
A Little Christmas Queer - S8-E9
Continuity mistake: When Karen is talking to Casey in the kitchen, there is a red purse-bag appears on the counter in front of Casey instantly, when Karen starts looking at her ring. (00:05:45)