Revealing: When Grace slams into the side of the elevator buttons, they all light up except 4 (which is supposed to happen), but 5 lights up after she moves away from the panel.

Continuity: The bites in Graces chocolate donut change.

Visible crew/equipment: When Karen enters the office with clothes and bags, Grace says "Oh Karen, you didn't have to buy me clothes," and above her is the whole boom dipping into view.

Continuity: Grace puts her chocolate donut down on her pad. It then vanishes, then reappears.

Continuity: When Will is sorting his CD’s, Grace enters the flat and puts her bag on the sofa, and there is no design on the bag, it is all black. When Will gives Grace a glass of wine, there is a flower design on the bag.

Continuity: As Jack is trying to open the massage table, Karen is sitting waiting: on the small table next to her is a candle. The candle alternates from lit / unlit between a few shots.

Continuity: When Grace is putting on the waterworks in front of the landlord, to get a lower cut on the apartment, the bowl of tassels on the table is repeatedly full/half full, and tassels jump in and out of the bowl.

Continuity: When Karen is sitting at the desk, with a fistful of pencils, the pencils often change position in her hand.

Continuity: 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.

Continuity: After giving Will and Grace his scripts to read, Jack places his drinks bottle on the table and walks over to the door. When he reaches the door he suddenly has the drinks bottle in his hand, although he left it on the table across the room.

Continuity: 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.

Visible crew/equipment: When Grace is trying to persuade Will to come out to the cinema with her, the boom mike is visible at the top of the shot.

Continuity: 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.

Plot hole: In this episode, Will says that he "never saw himself as a dog person." But in a later episode, the one where he sees the psychic, he talks about how he had a dog when he was little and how much he loved the dog.

Continuity: 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.

Visible crew/equipment: In most of Season One at least (choosing a specific moment here), Will and Grace have a large ornamental silver ball in their living room, which always reflects the studio lights and the fact that there is no fourth wall to the apartment.

Continuity: When Karen was at Will and Grace's flat with Jack babysitting the puppy. She puts her cocktail glass down on the table and leaves, but when Will and Grace come back from the movie there is no glass on the table.

Continuity: When Will and Grace stand in the kitchen discussing the grey hair, the back of cereal packet (on the counter) faces the camera, but for one shot the front of the packet is showing.

Continuity: When Will and Grace play the “love her, hate him” game, they open a magazine up. In the next shot you can tell it’s on a different page, because the layouts have changed.

Continuity: When Karen arrives at work, she places her bags on the chair, and then puts them down onto the floor. In a following shot they are back on the chair, then in another shot they’re gone again.