Continuity mistake: When Karen is about to pot the black ball in snooker, Beverly does a fake sneeze to make Karen loose her concentration. Karen's stick is on the table when she grumbles, but is in her hand in the next shot. (00:35:40)
Continuity mistake: As Karen and Beverly fight on the snooker table and pull each others toupees off, the black ball on the snooker table keeps on disappearing, reappearing and moving around the table through the scene. (00:35:55)
Continuity mistake: When Rosario walks in on Karen and Beverly fighting on the table, the hairpiece Beverly holds swaps hands between shots. (00:36:15)
Continuity mistake: When Will and Grace are talking to the nun about buying the car off of her, the amount of Burberry scarf showing out of Will's coat is inconsistent with each shot change.
Continuity mistake: When Grace is telling Will about his dad's affair, she mentions that he grabbed the other woman's ass when she brought him a packet of Goobers during the interval. The thing is, she sees them for the first time during the interval, and we see the conversation that follows. The mistress brings him wine, not Goobers, and he doesn't grab her ass.
Mad Dogs and Average Men - S3-E18
Continuity mistake: As Jack eats breakfast the position of the food on his plate differs between some shots, and some of the food vanishes too. (00:00:15)
Mad Dogs and Average Men - S3-E18
Revealing mistake: When Grace eats the dog food from the frying pan, we hear the sound of it sizzling, but we see no steam coming from the food. (00:09:05)
Mad Dogs and Average Men - S3-E18
Continuity mistake: When Will squeaks the toy newspaper, Pepper barks and Will throws the soft toy onto the couch. It lands right at the end of the sofa. In the following shot it's in the centre of the sofa. (00:19:35)
Poker? I Don't even Like Her - S3-E19
Continuity mistake: When the gang are playing poker in the opening shots, the position of the chips, cards, beer bottles etc., keep changing - watch then stacks of chips by Rob. They keep changing the most noticeably. (00:20:45)
Poker? I Don't even Like Her - S3-E19
Continuity mistake: In the spa, Karen puts her 'Dazzle' magazine down to talk with Candace. When she sits down again it has moved to the other side of the spa bench. (00:22:55)
Poker? I Don't even Like Her - S3-E19
Continuity mistake: When Karen and Jack are sucking helium from balloons in the hospital waiting room, they are using a purple balloon. The balloon disappears for a few shots, then reappears as a pink balloon. (00:33:50)
Poker? I Don't even Like Her - S3-E19
Revealing mistake: Karen clearly doesn't suck any air from the balloon (that's why her voice doesn't go high.) (00:33:55)
Poker? I Don't even Like Her - S3-E19
Continuity mistake: There are two balloons, a blue and a pink one, attached to a vase of flowers in the waiting room. Between shots the pink balloon shrinks half its original size as Jack is talking about a man losing all his limbs. (00:34:25)
An Old Fashion Piano Party - S3-E20
Continuity mistake: When the tray of root beers is spilt over the piano, the amount of drink on the piano differs, the position of the dropped cups on the floor changes, and the page which the piano song book is open on changes. (00:57:40)
An Old Fashion Piano Party - S3-E20
Continuity mistake: After Grace rips all of the pieces of kitchen roll from the holder, in consecutive shots afterward, how far down the sheets of kitchen roll hang from the holder repeatedly changes. (00:58:10)
The Young & the Tactless - S3-E21
Continuity mistake: When Grace tells Will that it is laundry day and that she has been wearing a peach bridesmaids dress all day, Will says, "Oh, um there's a roll of quarters in my top drawer right beside." When he says that he has a fork on his hand, when the shot changes he says, "My eye cream and my pedicure kit," suddenly the fork has disappeared. (00:01:25)
The Young & the Tactless - S3-E21
Continuity mistake: At the club, Will is at the bar and he says "another round," and in the next shot a beer and a yellow Alco-pop drink is on the bar in front of him. In the next shot they've vanished, and the bartender once again places the same drinks down again for him. (01:16:40)
The Young & the Tactless - S3-E21
Continuity mistake: The amount of egg on Will's plate during the breakfast scene keeps changing.
The Young & the Tactless - S3-E21
Continuity mistake: When Will and Jack are in the club with Mrs. Walker, in one shot Jack picks up his glass of coke and starts to drink yet in the next shot the glass is on the table and Jack is standing differently.
The Young & the Tactless - S3-E21
Continuity mistake: The position of the serviette which Jack throws down onto the table, during breakfast, when he goes to talk to Karen, changes during shots.
Answer: A history of the game can be found at http://www.fast-rewind.com/bacon.htm.
J I Cohen