Continuity mistake: When Elmer kicks out the cats after marching into his home, you can see there is nothing on the bottom part of the door. When we see the cats surrounding the house in the next shot, the bottom part now has an "X" on it.
Continuity mistake: When two cats knock on Elmer's front door pretending to be a widow and her child, another cat pours soap flakes on them, pretending to be snow. In the shots of Elmer at the door, there appear to be no flakes falling.
Audio problem: When the yellow cat attacks the brown cat for not keeping his mouth shut during the "unprivileged child" sequence, the yellow cat's mouth can be seen moving after he says "shut" but no words are coming out.
Trivia: When we see a cat looking through the dustbins at the beginning of the cartoon, there is a newspaper on the ground that has "Foster" on the front page - a reference to the Warner Brothers story writer Warren Foster.
Trivia: When Sylvester growls at the portrait of his mistress at the end of the cartoon, look at the bottom left-hand corner of the picture and you can see the artist's name is "Irv Wyner." Irv Wyner was the background artist for this cartoon.