Continuity mistake: When Sean shows up to meet with Mary Kate and her brother he is carrying pink roses. The entire time he is in the house the roses are now red.
Continuity mistake: When Gene Kelly and Donald O'Conner stop for car trouble, a trolley goes by. After Gene gets bombarded by fans and runs away, he runs after another trolley going by and jumps on. The same people are in the trolley each time. (00:14:50)
Continuity mistake: When the little dog throws items from the cabinet down to Spike, Spike catches two trays of glasses, a yellow vase with his right foot and a pink teapot with his left foot. But when Spike goes out of the house after a pepper pot lands on his nose, the vase and teapot have changed positions.
Continuity mistake: When the green devil recalls the time Tom serenaded another girl with his big bull fiddle, his whiskers disappear for a moment.
Continuity mistake: When Poochini is rehearsing, Mysto the Magician knocks on the door of his dressing room. At this point, you can see that the handle is on the left hand side of the door, but when Poochini opens the door, he opens it from the right hand side.
Continuity mistake: When Bob Hope is tied to the raised barber chair you can tell it is his stunt double in the far away shots because of the way his hair changes.
Continuity mistake: When Jerry is removing the nail from Spike's foot with a hammer, the distance of the wall behind Spike changes between shots.
Continuity mistake: When Jack is speaking to Princess Eloise near the water well, he turns his head to the right. In the following shot, his head is turned to the left.
Continuity mistake: The pictures on the wall of Calvero's apartment move around during the scenes, particularly the photos flanking the clock on the mantle above the fireplace. A particularly striking example is during the scene wherein Terry recovers the ability to walk. The scene starts off with a photographic-profile-portrait of Chaplin (not decked out as Calvero the Clown) on the left side of the clock and on the right side of the clock, a full-length photo of Calvero the Clown wearing a straw hat, and leaning on his cane, which is held in his left hand. As the scene progresses, the portrait to the left of the clock is replaced by a half-length photo of Calvero the Clown wearing a top hat, with his cane swung across his body, angled up. As Terry realizes she can walk, the portrait re-appears to the left of the clock, and there is nothing to the right of the clock.
Continuity mistake: When Bugs comes out of his hole to see what Wile E. Coyote is up to, you can see there nothing next to his hole, but after he has kicked Wile E. Down the other hole and put the pressure cooker on top of him, he returns to his hole and a club has suddenly appeared.
Continuity mistake: When Sam falls out of the plane after Bugs pulled the cord, Sam panics and he is drops his guns in the process. But when Sam tells Bugs he is taking over the plane, his guns have suddenly re-appeared.
Continuity mistake: After the kids have left the party, Pluto goes to the table and on the table there is a big blue plate of where the cake was. At this point you can see there is nothing next to the plate, but in the next shot a small blue plate has appeared.
Continuity mistake: The cupboards in the kitchen are yellow throughout the short, but when we see Marc Anthony in pain while the kitten is kneading his fur, they are now green.
Continuity mistake: When the bandit takes Droopy's wallet, he empties the contents and finds a photo of Droopy's girl. At this point, you can see the bandit is holding the photo with two hands, but when we see a close-up of the photo in the next shot, he is holding it with only his right hand.
Continuity mistake: Mickey Mouse uses an axe to cut down a tree for Christmas. Each chop he makes is horizontal, but when the tree falls over, the lower part of the trunk comes to a point, and the stump remaining in the ground has disappeared.
Continuity mistake: When the Coyote is pursuing the Road Runner at the start of the cartoon, he is holding a fork in his left hand and a knife in his right. But when we see the Coyote a few seconds later, he is now holding the knife in his left and the fork in his right.
Continuity mistake: When Tom (dressed as a seal) performs "Yankee Doodle" on the horns at the circus at the end of the cartoon, the background behind him changes between shots.