Continuity mistake: In the scene when Will and Jack are with George Takei before he goes on Jack-Talk, Will is holding his George doll box. When Jack walks over and says "So listen, George...", Will puts his left hand in his pocket. As Jack continues to say "...now the network asked...", Will now holds the doll box with both hands instantly. (00:15:25)
Continuity mistake: In the scene when Jack is presenting Jack-Talk and welcomes George Takei, and then Amber-Louise tells him that George got pushed back to tomorrows show, the pencils in the silver pot on Jack's desk continually change their arrangement between each shot. (00:06:05)
Continuity mistake: When Grace opens the cardboard box that has the blue blanket in it, the lid on the box repeatedly changes from being at a straight horizontal angle (fully down) to being up and angled diagonally, as if not pushed open all the way to the fold. (00:09:20)
Continuity mistake: In the opening scene Grace goes into the kitchen area and unpacks a brown paper bag. When Will goes to use the coffee pot, the brown bag is on the counter behind the kettle. But in the next shot the bag is in a different position, sitting on top of the kettle. (00:01:10)
Continuity mistake: When Grace enters Karen's mansion and tells her she fired Pam, in the first shot her hair is brushed behind her shoulder but in the next shot it all hangs in front of her shoulders. (00:19:45)
Continuity mistake: When Pam is sitting at her desk letting the phone ring without answering it and throughout the whole scene that follows, the items on her desk continuously change their positions from shot to shot and also the papers on the desk vanish and reappear a few times. (00:09:30)
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)
The Definition of Marriage (1) - S8-E15
Continuity mistake: When the gang are all sitting in the coffee shop at the start, Grace changes from stirring to not stirring her coffee, and the wooden stirrer repeatedly (dis)appears in her red mug until the end of the scene. (00:00:20)
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)
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)
Continuity mistake: When Jack walks over to Karen who is sitting in the hotel lounge, she has a martini and a dollar bill on the table next to her. Through the scene the dollar bill continuously changes its location on the tabletop. (00:10:00)
Continuity mistake: When everyone is entering the hotel at the beginning, Grace's hair jumps from being behind or in front of her shoulder a few times between shots. (00:00:40)
Continuity mistake: When Will and Grace apologize to each other in the break room, after Grace finishes her apology she hugs Will. In this shot all her hair is behind her right shoulder. In the next shot most of it is in front of her shoulder. (00:18:35)
Continuity mistake: When we see Karen nursing Jack when he is ill, Jack puts down a soup bowl on the side table. A few shots later the spoon in the bowl is in a different position. (00:07:30)
Continuity mistake: When Margo is talking to Grace in the coffee shop, Grace's bag on the table behind her keeps on altering its position.
Continuity mistake: At the start when Grace joins Will and Karen at the coffee shop table, she begins to make her coffee. In one shot from behind we see her pick up a wooden stirrer. In the next shot her hand is empty and it has vanished. In the next shot the stirrer reappears in her coffee mug. (00:00:40)
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)
Von Trapped - S8-E10
Continuity mistake: When Grace and Karen are sitting on the carousel seat in the Sound of Music theatre lobby (after Karen said she got a few of her favourite things in the toilet) there is a lady sitting on the seat behind Grace (with a popcorn bucket next to her.) In the next shot as Jack runs over, the lady and her popcorn have both instantly disappeared. (00:05:25)
A Little Christmas Queer - S8-E9
Continuity mistake: In this episode Sam's daughter (Will's niece) is called by name as Casey by everyone. Yet at the end the credit states "co-starring Kyla Dang as Courtney."
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)