Continuity mistake: When the dog is saying his prayers, you can see that there is a will by him, but when Porky threatens Daffy with an axe, the will has disappeared.
Continuity mistake: When the dog is chasing Daffy with an axe, Daffy runs into Porky's bedroom which has a white door but then changes colour to grey in the next shot.
Continuity mistake: When Porky realises that they are celebrating Christmas in April instead of December, the numbers on the month of April on the calendar change position between shots.
Continuity mistake: When the dog is saying his prayers by the fridge in the kitchen, you can see the fridge door is shut, but when Porky threatens the dog in the next shot, the fridge door is open.
