Continuity mistake: When Karen and Jack are eating outside Jack's apartment on the small table, they both have plates of egg. Between shots during their conversation, the arrangement of the egg on their plates changes a few times.
Continuity mistake: When Will gets up from the sofa, as he speaks with Grace, a small white cushion with black dots all over it falls over on the sofa. In a following shot you can see that the cushion has now magically up righted itself.
Continuity mistake: After Will puts on his robe because Leo walks in, Will ties the robe straps so that one strap is much longer than the other one. During his conversation with Leo though, between shots, the straps suddenly both become the same length.
Continuity mistake: When Karen is sitting on the sofa talking to her new roommate Liz, she pours some of her can of coke into her glass, and puts the can down on the table. In the very next shot the can is suddenly back in her hand again.
Dames At Sea - S6-E1
Continuity mistake: When Will and Jack wake up to find themselves both in bed together naked, as they state that nothing happened, the quilt on the bed behind Will changes from neatly spread, to messed, to neat again. (00:02:00)
Dames At Sea - S6-E1
Continuity mistake: As Grace practices her reactions in the hallway in front of Will, her silver necklace changes position a few times. It also changes position a few times in various shots after. (00:08:00)
Dames At Sea - S6-E1
Continuity mistake: When Grace puts her arm around Leo's shoulder after finding out that he has photos of her, the position and angle of the silver bands around her wrist changes. (00:13:20)
Dames At Sea - S6-E1
Continuity mistake: When Grace reads Dr. Morty's letter on Karen's boat (in the last episode of season 5) it sounds at least a few paragraphs in length. During this episode, when she holds the letter up there is only a short paragraph on the bordered side of the page, and nothing on the back side.
Continuity mistake: After Jack and Karen join Will and Grace at the coffee shop table, and show them Chompers, their new dog, the blue bottle lid on the table keeps moving around between shots. (00:00:45)
Continuity mistake: When Grace answers the door and meets Diane, Diane's long blonde hair alternates from hanging behind or in front of her left shoulder as they talk. (00:02:25)
Continuity mistake: As Leo speaks with Diane (he's on the sofa; she's in a chair) she refills her wine glass until it is nearly full. In the next shot Diane takes the last sip of wine from her glass, and the following shot shows her glass nearly full again. (00:08:45)
Continuity mistake: After Grace cuts up the vegetable and puts it into the salad bowl, she puts the knife down on the board and walks through to the other room, and speaks with Will. When she exits back through, the knife is now positioned differently. (00:09:25 - 00:10:05)
Home Court Disadvantage - S6-E3
Continuity mistake: When Will is ironing pillow cases, the position of the cases hanging over the edge of the ironing board changes a couple of times. (00:00:30)
Home Court Disadvantage - S6-E3
Continuity mistake: In the overhead shot of Grace, Leo, Karen and Beverly playing tennis, Leo is standing right back, on the white serving line. In the closeup he is now suddenly right by the net. (00:06:45)
Home Court Disadvantage - S6-E3
Continuity mistake: In the overhead shot of the tennis game, it is cloudy and nobody has shadows, yet in the next closeup it's sunny and shadows are now present. (00:06:45)
Home Court Disadvantage - S6-E3
Continuity mistake: When Grace is getting Leo to tell Karen the joke to her in her office, in some shots we see a very long roll of white paper across her desk. But in some side shots, it isn't there. (00:11:10 - 00:13:40)
Home Court Disadvantage - S6-E3
Continuity mistake: Whilst Jack is unknowingly eating pot pourri from the small glass holder, the position of it in the holder changes between shots, which is easily seen by the colours. (00:14:30)
Home Court Disadvantage - S6-E3
Continuity mistake: When Leo walks into the club to show Karen his highschool yearbook, Grace is eating a bowl of bagel chips. In one shot the bowl is full, then suddenly empty, then full again. (00:17:30)
Continuity mistake: When Jack gets James Earl Jones on stage to perform, his glasses hanging around his neck go from folded, to unfolded then folded up again so he can unfold them and put them on. (00:12:40)
Continuity mistake: When Jack is teaching James Earl Jones to act, we can see the table behind him has a script sitting on the middle of the table. When he goes to pick it up, the script is now sitting on the edge. (00:13:45)
