Prison Blues - S4-E4
Continuity mistake: When Jack goes into the kitchen to pour a coffee, the amount of paper on the kitchen roll decreases. (01:02:55)
Prison Blues - S4-E4
Continuity mistake: When Karen gives her name to the police officer at the prison, the guard behind her opens the jail cell door twice. (01:03:15)
Prison Blues - S4-E4
Continuity mistake: When Grace is in the bath, the remote control swaps what side of the bath it's lying on, and then completely disappears. (01:17:45)
Loose Lips Sink Relationships - S4-E5
Continuity mistake: When Jack tells Karen to look away from the hand cream guy, a pair of trousers appears in her hands between shots. In following shots as well, the height of trousers piled on the table increases. (00:04:30)
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)
Loose Lips Sink Relationships - S4-E5
Continuity mistake: When Jack is talking to Dorleen, the yellow schedule in his hands disappears between shots. (00:05:50)
Loose Lips Sink Relationships - S4-E5
Continuity mistake: After Will looks into the mirror, after he puts it down it changes position between shots. (00:06:30)
Loose Lips Sink Relationships - S4-E5
Continuity mistake: When Jack is licking an envelope closed, standing by a large vase of flowers, the flowers change arrangement between shots. The sunflowers vanish and the poppies change place. (00:09:20)
Continuity mistake: When Jack comes in the apartment, he has a fake mole on, that mysteriously disappears after Will leaves. (00:43:00)
Continuity mistake: When Karen sits down at the table saying "I get alot of cold water coming at me real fast..." between shots the slide box on the table changes position. (00:55:25)
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)
Continuity mistake: When the gang are at Grace's mothers, Karen takes her pill whilst holding the bottle. In the next shot the bottle is out of her hand, on the side, and the cup she was holding has swapped hands. (00:12:15)
Continuity mistake: After Jack tells Mrs. Adler that Nathan dumped Grace, she walks over to Grace. Grace is holding a plate of finger foods, with sticks in them. The sticks and food change position between shots. (00:14:35)
Continuity mistake: When Jack picks the wrong card, when his dad is playing "find the queen", the coat on the end of the bed changes position. (00:22:25)
Continuity mistake: At the beginning of the episode, Wills' scarf repeatedly changes from hanging loosely over his shoulders, to wrapped around his neck. (01:01:15)
Continuity mistake: When Karen and Jack are in the Barney's window room, the door is open. When they leave, it is closed. (01:07:20)
Continuity mistake: When Beverley walks out of his hotel room to talk to Karen, he places a bucket with a champagne bottle in it, on the floor. In the next shot the bottle and white napkin are on the other side of the bucket. (01:15:10)
Continuity mistake: When Matt and Grace are drinking mint tea, when Jack comes into the room to borrow Grace, Grace's mug of tea vanishes from her hand between the shots. (01:17:40)
Continuity mistake: When Will runs in and takes a photo of Matt Damon and Grace kissing, to get evidence Matt is straight, when Jack pulls out the film from his camera, two boxes (a black and red one) vanish from the coffee table. (01:20:20)
Someone Old, Someplace New (1) - S4-E17
Continuity mistake: When Jack is making his film for Karen, as he's interviewing Grace, he holds a cheque book up to his mouth. Between shots the book randomly alternates from being in his right/left hand. (01:31:40)
Answer: A history of the game can be found at http://www.fast-rewind.com/bacon.htm.
J I Cohen