Factual error: If we are to assume that the British cruisers were Dido class with 5.25" guns, the assertion that the Essen would outrange them by 5000 yards is pretty much true. However, in order for the Brits to launch torpedoes, they would have had to close to inside of 20K yards, well within range of their main guns. Thus said, if the British cruisers were any of their 6 inch gun class, there would have been no advantage in range.
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 Foghorn Leghorn lifts the wired fence with his foot to let one of the chicks out, you can see there some chicks by his foot when he lowers the fence down, but in the next shot the chicks have disappeared.
Factual error: As the team practices, the film shows the passage of time by using a calendar. The month of July ends on Thursday, the 31st, but August the first is shown to start on Wednesday.
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: Before Elmer runs off to fetch his gun, you can see there is a carrot near his feet on the ground. But when he returns, the carrot has gone.
Character mistake: The hand bill identifies the company as Slipp-Skipp and Tripp. The sign on the door says Slipp, Tripp and Skipp.
Continuity mistake: When Bugs Bunny closes the door on Daffy Duck at the end of the cartoon, Bugs is holding his pencil upside down, but in the next shot he is now holding it the right way up.
Continuity mistake: Lieutenant Bowers questions the survivor of the first encounter with the alien, suspecting he might have just clobbered a love rival. The telephone rings; after it happens, the sheet in front of the suspect does a 180°. (00:09:35)