Continuity mistake: In one of the early scenes where Baby, the pet leopard is introduced, you can tell that the scene was shot twice and overlapped. Baby's leash has an obvious gap in it, and the two halves move independently.
Continuity mistake: When Porky is lighting the candles on the cake at the beginning of the cartoon, the position of the candles change between shots.
Continuity mistake: When Daffy is sitting in the director's seat at the end of the cartoon, the band around his cigar is yellow. But when the chef brings along his lunch in a platter, the band is now green.
Continuity mistake: A sow is nursing four little pigs. When the farmer brings food, she rises and walks away, leaving behind five little pigs.
Continuity mistake: Near the beginning, Cratchit drops his hat while getting hit by snowballs. In the other angle, his hat is back on instantly.
Continuity mistake: When the St Bernard dog is preparing the drink for the frozen bird, he puts a cocktail stick with a piece of orange and a cherry into the glass, but when we see the dog holding the glass in the next shot, the cocktail stick has disappeared.
Continuity mistake: At the beginning of the short, Mickey Mouse installs the ship's mast. But when we see the boat when it is completed, there is no mast.
Audio problem: Shirley Temple is singing a medley of songs when she hits a block of wood with a stick. The sound effects are obviously not synchronized with Shirley's motions. (00:55:55)