Continuity mistake: A group of new recruits is introduced to horseriding. One spindly volunteer gallops off first, but when we see him from behind he has been replaced by a stuntman of about twice his width. (00:44:10)
Continuity mistake: When the lady is singing to Bob Hope in the bar Bob has his hat a little above his hair. But in the next shot when the lady is brushing her hat feathers in Bob's face his hat is down farther on his head and none of his hair is sticking out.
Continuity mistake: When Humphrey Bogart dunks his head in the watering hole, he leans over far enough that his hat is almost entirely submerged. In the next shot, he sets his hat down beside him and only the front portion is wet.
Continuity mistake: When Bugs hits Sam on the nose with a pea-shooter, you can he is wearing his cowboy hat, but when Bugs leaves the saloon in the next shot, his hat has disappeared.