Birth, Death, Love and Rice - S4-E1
Continuity mistake: When Cliff and Norm are walking from the pool room there is a beer on the counter. The shot changes and it disappears. Norm sits down and it reappears, only to disappear when the shot changes.
Continuity mistake: When Frasier and Sam are talking in Sam's office, Sam sits down in his chair and leans back, the shot changes and he leans back again. (00:07:15)
Behind Every Great Man - S3-E19
Continuity mistake: When Paula first comes into the bar the amount of beer in Norm's mug keeps changing.
The Mail Goes to Jail - S3-E17
Continuity mistake: The first time Sam leans down when Diane is stuck in the vent, in the closeup shots of Diane, Sam's glove is missing from his hand on the floor.
The Heart is a Lonely Snipe Hunter - S3-E14
Continuity mistake: When the guys get back from snipe hunting Norm puts his hat on the bar. The hat changes position a few times throughout the scene.
The Heart is a Lonely Snipe Hunter - S3-E14
Continuity mistake: When the guys are getting ready to leave for fishing and Diane is trying to get them to take Frasier, there is a carton of half and half on the bar. At one point Diane is seen taking it and holding it, but a couple of shots later the carton is now back where it was.
The Norm Who Came in from the Cold - S10-E4
Continuity mistake: Carla tosses Rebecca an egg she is supposed to take care of, like a baby, for a $5 wager. The egg bounces off Rebecca's hands and over the bar onto the floor. In the next scene, Lilith and Frasier are walking into the bar and the egg was shown as being smashed on the bar itself. The next cutaway, with Lilith walking by the same spot, has no egg on the bar anymore. (00:03:40)
One for the Road (1) - S11-E26
Continuity mistake: After Don leaves the bar, a few minutes later Frasier shouts at him, "Run, Don! Run like the wind!" and Rebecca is left sitting alone at the table crying, but when it cuts to the overhead shot of the bar we see Don is still sitting at the table, even though he left five minutes earlier. (00:07:05 - 00:08:15)
Continuity mistake: When Sam tells everyone it's closing time, he asks Harry how he got into the bar whilst he is playing snooker. He replies and then places a white snooker ball two inches behind a blue ball. There is also a yellow ball about three inches to the right of the blue ball. In the next shot, the yellow ball has suddenly moved a foot away from the blue ball. The yellow ball returns to its original position three inches away from the blue ball in the next shot. (00:00:10)
Continuity mistake: When Carla comes to the bar with her shrink, the lights aren't reflected in the door as they usually are. The lights are suddenly reflected on the door a further two shots later. (00:18:00)
Sam's Women - S1-E2
Continuity mistake: Just after Norm says "This man knows his animal kingdom" he looks at his watch and there's nothing in the other hand. In the next shot, his hand is suddenly on his beer glass. (00:20:40)
What is... Cliff Clavin? - S8-E14
Continuity mistake: At the point Cliff is disputing the fact that he thought his answer was right, on the right-hand side you can see the woman player's, Agnes, score. It says $400. Then in the next shot it changes to $3300. Then in a little bit later it changes back to $400. (00:14:30)
Continuity mistake: When Coach is talking to Rebecca for the first time he is suddenly drying a shot glass then it disappears.
Give Me a Ring Sometime - S1-E1
Continuity mistake: When Carla is reading out an order to Sam, there is someone visible to the left of screen who isn't there in the next shot. (00:20:40)
Give Me a Ring Sometime - S1-E1
Continuity mistake: When Diane starts laughing, Sam walks over to Carla and she looks at him. In the next shot, Carla is looking down at her notepad. (00:20:35)
Continuity mistake: When Sam walks back into the bar, Carla turns her head away from Sam after he says "I forgot my bubble gum". Her head is facing Sam again in the following shot. (00:11:40)
Give Me a Ring Sometime - S1-E1
Continuity mistake: When Diane says "Nothing" to Sam, there is a crease on her top and part of her necklace is resting on that crease. 2 shots later, the crease is gone and the necklace is hanging freely. (00:21:25)
Give Me a Ring Sometime - S1-E1
Continuity mistake: When Coach takes Norm out of the bar, Carla walks past them. In the next shot, Carla is suddenly seen walking out of shot at the other side of the room without any time to get there that fast. (00:16:50)