Visible crew/equipment: During the "How Long Has This Been Going On" number, Hepburn dances by a mirror - reflected in it are the camera crew, desperately trying to get out of the image.
Continuity mistake: When Chaplin is inside the elevator, the hose changes from being tied knee level to hip level, depending on the shot.
Continuity mistake: When Katharine Hepburn carries the white carnations out of the elevator (which have just been given to her by Gig Young), they turn pink when she steps off the elevator and walks outside.
Continuity mistake: When Fred Astaire and Cyd Charisse are dancing among the parallel bars, her skirt changes to cullottes then back again to an ordinary skirt.
Plot hole: If Ashley kisses somebody, her good luck is passed on to them. However, Ashley kisses Chris Hemmington before she kisses Jake, so shouldn't Chris Hemmington have her luck?
Continuity mistake: When George is at the fridge and finds the chicken has been eaten, the door is open. But in a close-up of Tom in the next shot, the door is now closed, and in the shot after that, the door is open again.
Continuity mistake: When the three little pigs are not impressed with the wolf's trumpet playing, you can see the pig that plays the drums has drumsticks in his hands. But when he and the other pigs throw the wolf out of the House of Straw, the drumsticks have gone.
Continuity mistake: When the cat's tail is in the sink's plug hole, Ralph is standing by a switch and you can see there is nothing on it, but in the next shot the word "Disposal" just appears from nowhere, and when the cat is picking up his fur from the plug hole, the wording has gone.
Revealing mistake: When Speedy Gonzales is watching Sylvester drink Tabasco sauce from the tank that sends him miles into the horizon, watch Speedy's tail: it disappears before the scene ends.
Continuity mistake: When Hassan is trying to remember the magic word to open the cave door, you can see there is a burrow tunnelling under the entrance, but when we return to Hassan trying to remember the word later on, the burrow has disappeared.
Continuity mistake: When Quackie is at the cafe with Mary, their dog is sitting on the chair between them at the table. But when Inspector Faraway appears, the dog has gone.
Continuity mistake: When Elmer is stabbing Bugs' hole with his spear, there are rabbit tracks around the hole. But when Elmer says "I'm going to kill the wabbit!" the rabbit tracks have disappeared.
Continuity mistake: When Sylvester is unable to sleep at night, the camera pans in on his eyes and you can see that he has his head on the pillow when this happens, but in the next shot he is lying flat out on the bed.
Continuity mistake: The character Sid Sorokin sings the song "Hey There" into a dictograph machine. He then plays it back and sings a "duet" with himself. However, the lyrics and melody at the end of the song are different from what he sang into the machine originally.