Continuity mistake: During the thanksgiving dinner, Will is mixing salad. He then leaves the mixing spoons in the bowl. In the next shot they've vanished, and then reappear later on in the scene, back in the bowl. (01:14:00 - 01:15:35)
Visible crew/equipment: After Will and Jack come back from the patio area, into the thanksgiving dinner area, the grey boom mike can be seen reflected in the frosted glass panel above the living room door. (01:18:20)
Continuity mistake: When Grace storms out of Will's office, an orchid leaf falls from the pot she is carrying, onto the hallway floor. In the next shot it has vanished. (00:14:15)
Tea and a Total Lack of Sympathy - S2-E10
Other mistake: Karen asks Mrs. Freeman to put a stamp on her letter and pop it in the post, yet there is no writing on the envelope whatsoever. (00:28:20)
Tea and a Total Lack of Sympathy - S2-E10
Continuity mistake: As Karen is asking Mrs. Freeman to post her letter, Mrs. Freeman holds a black clipboard and a piece of paper behind the clipboard. As Karen leaves the room, between shots the piece of paper vanishes. (00:28:35)
Tea and a Total Lack of Sympathy - S2-E10
Continuity mistake: When Grace and Jack are showing their teapot, look in the background, A few of the people keep changing places depending on the camera shot. (00:30:25)
Tea and a Total Lack of Sympathy - S2-E10
Continuity mistake: When Karen is the bar, about to pay 'Smitty,' she takes out her purse, takes out her credit card and places her purse on the barside. In the next shot the purse has vanished and the credit card is suddenly in 'Smitty's' hands. (00:32:35)
Tea and a Total Lack of Sympathy - S2-E10
Continuity mistake: After Jack and Grace burst through the paper screens at the 'Antiques on the Road' show, the hole made in the screen changes between shots. (00:34:30)
Tea and a Total Lack of Sympathy - S2-E10
Continuity mistake: When Karen is in Will's office near the end, telling him why she signed the papers, she holds a black handbag in her right hand. When she says "what's that?" the handbag is hanging over her left arm. (00:40:45)
Continuity mistake: Grace puts the coffee pot down twice after pouring Will a cup, as he and Jack talk about Claire. (00:23:05)
Continuity mistake: As Grace leaves the apartment with her cereal, the location of the milk carton on the breakfast table changes more than once. (00:44:05)
Oh Dad, Poor Dad, He's Kept Me in the Closet and I'm So Sad - S2-E13
Continuity mistake: When Jack meets his father in the restaurant, his father says that he got a phone call from Karen Walker. When Jack says, "Wow," there is no sign of his arms being crossed, but when it cuts and Jack says, "I got the same phone call," his arms are suddenly crossed. (00:11:20)
Oh Dad, Poor Dad, He's Kept Me in the Closet and I'm So Sad - S2-E13
Continuity mistake: When Jack is talking to Karen in the office, Karen is thumbing through a magazine on her desk. In every shot change the pages the book is open on change. (01:08:00)
Acting Out - S2-E14
Continuity mistake: When Will and Grace walk down the street in the opening credits, in every shot change the people walking around and behind them on the streets change, and the cars on the street change too. (00:00:10)
Acting Out - S2-E14
Continuity mistake: Jack's scarf keeps changing position as he is riding his bike alongside Will and Grace, down the street. The scarf repeatedly alternates from behind/in front of his shoulder. (00:00:35)
Acting Out - S2-E14
Revealing mistake: When Will is talking to Jack outside of NBC, you can see the hired security they used to film on the street. They are two big men in black leather coats walking either side of them. (00:00:50)
Acting Out - S2-E14
Continuity mistake: When Grace is talking to Karen about how she has just come out of a string of bad relationships, she picks up a book of cloth samples, then a second one. In the next shot her hand is empty and she picks them both up again. (00:05:15)
Acting Out - S2-E14
Continuity mistake: When Grace puts her handbag on the worktop, the straps hang down, but when Will says "Ooh, pushed a button," they stand upright. (00:09:20 - 00:10:30)
Acting Out - S2-E14
Continuity mistake: When Grace is talking to Karen on the phone, asking for advice on how to be mean, Karen is in the bath. The amount of bubbly foam on her arm differs in every shot. (00:11:40)
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)
Answer: A history of the game can be found at http://www.fast-rewind.com/bacon.htm.
J I Cohen