Where There's a Will There's No Way - S1-E7
Continuity mistake: The bites in Graces chocolate donut change. (01:05:35)
Continuity mistake: When Will is standing cleaning a tray, on the counter behind him there is a large circular wooden board, with a white tea-towel sitting on it. After he cleans the tray and walks off, the white tea-towel has moved off the wooden board, and is on the edge of the counter. (00:09:55)
Continuity mistake: When Karen is lying on the table, her jacket is unbuttoned. And when Jack pushes her off the table and she gets back up, it's still unbuttoned. But as the shot cuts to her heading quickly over to the door, her jacket is now buttoned, but there was no time for her to do it.
Continuity mistake: When Grace has the idea to move into Will's apartment, we can see her cup of coffee on the table. Then a little later during their conversation, the cup moves. (00:23:00)
Continuity mistake: After Grace tells Will he has to go on a second date with Nathan, she runs out onto the terrace to hide. When she comes back into the kitchen, she leaves the terrace door open. In the next shot it's closed, the open again. (00:16:40)
Where There's a Will There's No Way - S1-E7
Continuity mistake: When Grace is cleaning the table with the playing cards on it, all the cards are separated in piles on the table, but in the next shot they're all in one big messy pile. Grace holds a small piles of cards, and never touches the big messy pile, then in the next shot she picks somehow up all the remaining cards in one neat pile. (01:21:05)
Continuity mistake: At the end of the ep., where Will and Grace play a board game, the red plastic cards on the board change their position many times, as does the paper money and the dice. (00:18:45)
Continuity mistake: When Karen is sitting at the desk, with a fistful of pencils, the pencils often change position in her hand. (00:01:40)
Continuity mistake: After Will pours himself a cup of coffee, he places the coffee jug on the sink desktop. In the next shot the jug is visible on the other worktop, beside the gas cooker. (00:35:50)
Alley Cats - S1-E21
Continuity mistake: Grace unpacks her Scrabble board game from her bag, and puts it on the table, and puts the bag on the floor. Then her friends tell her she is too competitive, so she goes to her bedroom. As she goes, you can see that the board game on the table has now been replaced by the big red bag. (01:10:05 - 01:11:55)
Continuity mistake: When April enters the room, she puts her grey jacket and red bag on the couch. When Will leaves the room, the jacket and bag have disappeared. (01:05:55)
Continuity mistake: When Val is folding her towels in the laundry room, she completely folds up a towel as Will enters the room. Then she is seen re-folding the same beige colored towel. Then, though she had picked up the beige one, she is seen setting a dark towel on the stack. (00:25:45)
The Truth About Will & Dogs - S1-E10
Continuity mistake: When Karen spills her martini on the floor, she places the beige skirt she was holding down on the pile of clothes she was sorting out. In the next shot the clothes pile is arranged differently. (00:36:40)
Continuity mistake: As Grace unravels the scarf from around Jack's neck, the clothes in her suitcase on the table change between shots. (00:01:45)
Continuity mistake: At the beginning of the episode Will takes two bottles of water from the fridge. He unscrews the lid off them both and picks them both up. In the next shot he picks the second one up again. (01:03:20)
Boo! Humbug - S1-E5
Continuity mistake: When the silly string fight happens, you see Nixon's can run out of string and he puts it back on the table when he takes off his mask. But when Will and Grace run back to grab the jaw-breaker, the can is suddenly full again as Will shoots Grace with it. (01:01:00)
Will on Ice - S1-E11
Continuity mistake: As Will collects the paper from outside the door, We see Grace sitting at the table, a pad and pen on the table in front of her. In the next shot the pen has vanished, and a newspaper has appeared next to the pad. (00:01:30)
Big Brother is Coming (2) - S1-E15
Continuity mistake: The chess pieces on Will's table keep moving around, despite the fact the game is over. (00:30:25)
Continuity mistake: When Karen is sitting at her desk, she says "get out, already," and she has one bottle of nail varnish in her hand, and there are bottles on the desk in front of her. In the next shot she holds about four bottles in her hand, and now the bottles on the desk in front of her are differently positioned. (00:29:25)
The Big Vent - S1-E9
Continuity mistake: When Grace is listening through the vent, she is leaning on a cushion. Between shots the cushion rotates because the stripes on it change from running horizontical to vertical. (00:43:45)