Continuity mistake: When the ants go and pick up a box of firecrackers next to Elmer Fudd's tent, the firecrackers in the box are different to those seen in the previous shot.
Continuity mistake: When the squirrel attempts to cut the coconut with the saw, the saw's teeth break off and fall around the coconut. But when the squirrel returns with an axe, the pieces of teeth have changed position.
Continuity mistake: When Fred (Ralph Wolf in disguise) says "Hello" to Sam at the end of the short, you can see that there is a card in both the top and bottom holes in the "In" section of the punch clock. But when Sam begins spanking Ralph, the bottom card of the "In" section has moved to the bottom hole of the "Out" section.
Continuity mistake: When we see the park where the wild cat is hiding, there is a sign saying "No Le Pate de Fois Grass", but when we see the sign in the next shot, the "Le" has disappeared.
Continuity mistake: When the elephant walks up to the bowl of clothes pegs, the number of pegs in the bowl changes between shots.
Continuity mistake: When Tom removes the packaging, you can see that it reads "Life with Tom by Jerry Mouse" on the front cover, but when we see Tom reading the book later on in the cartoon, the wording has disappeared.
Continuity mistake: When Elmer has finished making the robot, you can see there is nothing by the slot in which Elmer feeds pictures. But when the robot goes to the donkey, a dial appears where it remains for the rest of the short.