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)
To Serve and Disinfect - S2-E6
Continuity mistake: The amount of Grace's pizza left in the opening changes through shots. The bites taken from it change, and between shots she goes from having half a pizza, to just a crust which she throws into the box. (00:42:10)
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)
Continuity mistake: As Nurse Pittman is talking about doing her training mostly on oranges, to Grace, she is putting on one of her rubber gloves, and her other hand is bare, yet in the next shot both gloves are on. (01:15:40)
Acting Out - S2-E14
Visible crew/equipment: As Will and Jack walk along the street, out of NBC, in one shot as they walk along you can see the cameraman with a camera over his shoulder walking along with them, reflected in the store windows. (00:16:50)
Revealing mistake: When Grace is getting out the Board Games for her and Karen to play, the names of the Board Games have been covered with strips of tape. (00:53:00)
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)
...And the Horse He Rode in On - S5-E1
Revealing mistake: At the beginning of the episode, Grace is running through the park, and she unexpectedly runs right into a lamppost. When she hits the lamppost, the lamppost shakes very violently, like a cheap set lamppost.
Continuity mistake: When Will and Grace are in the kitchen, Grace says "We'll have to agree to disagree" then she slices her pepper in half. In the next shot the pepper is whole again, and she halves it again in the next shot. (01:11:45)
Loose Lips Sink Relationships - S4-E5
Continuity mistake: Jack swaps schedules with Dorleen. Jack gets a yellow one, Dorleen gets a white one. Later when Jack takes the schedule from his pocket, to bribe Dorleen to give him friday off, the paper is white. (00:05:30)
Gypsies, Tramps and Weed - S3-E7
Continuity mistake: The position of the red booster seat which the Cher doll sits on changes between shots. (00:59:25)
Continuity mistake: When Grace says to Will "What, are you ten?" Will is holding a napkin in his right hand, down by his side, but in the next shot it's in his left hand and he is wiping his lips with it. (00:22:05)
Strangers with Candice - S6-E9
Continuity mistake: When Stephanie is ranting about her boss to Will, after she says "Well, Hello? Are you allergic to dairy or not!?" she puts her drink down onto the bar twice between shots. (00:06:50)
Lows in the Mid-Eighties (2) - S3-E9
Visible crew/equipment: When Will and Grace walk past the old supermarket through the rain, near the end, the camera trolly is reflected in the shop windows, behind them, as they walk past. (01:20:50)
Continuity mistake: When Will and Jack are having breakfast, in one shot Will pours some milk into his cereal bowl, then puts the milk bottle down on the table, and it doesn't have the lid on it. In the next shot the red lid is now screwed on top.
A Bunch of White Chicks Sittin' Around Talkin' - S4-E25
Continuity mistake: When we see Jack dancing at the open auditions, there is a grey sports bag behind him which alternates from propped up against the small black chair to sitting in front of the chair on the floor, many times during the scene. (00:52:25)
Continuity mistake: When Will and Grace have dinner with Ben, in one shot Ben begins to lift his wine glass up, but in the next shot it's back on the table. Later on the wine glass jumps into his hand as well. (00:47:35)
Hey La, Hey La, My Ex-Boyfriend's Back - S2-E16
Continuity mistake: The cereal boxes that Grace unpacks onto the counter during the beginning scene, change, move around, alter positions etc. constantly. (01:03:30)
Fagmalion Part Three: Bye, Bye, Beardy - S5-E18
Continuity mistake: When Karen and Beverly are fighting over the clipboard at the silent auction, in one side shot the clipboards on the table are out of place and untidy. In the next shot the clipboards are back neatly in place like before.
Continuity mistake: When Will and Grace are competing in the 'Game Night,' Will is drawing a pictionary on a big white board for Grace. Between shots, during him drawing it, the picture changes. Notice how the lines and shapes are drawn slightly different.
Answer: A history of the game can be found at http://www.fast-rewind.com/bacon.htm.
J I Cohen