Factual error: When the stork is flying to deliver Dumbo, the map shows the state of Kentucky above Alabama and Mississippi instead of Tennessee. (00:07:15)
Factual error: Abbott and Costello have inadvertently enlisted in the Army but anyone weighing 240 pounds or more will be rejected. When Costello steps on the scale, the Army physician tells him, "You're in the Army. You made it by two ounces." Medical scales at that time (1941) showed weight in whole pounds only and did not show ounces.