Continuity mistake: Stan and Oliver lose their rifles when they tumble down the sand dune, but when they reach the bottom, they still have the rifles in their hands.
Continuity mistake: When Bosko is sitting in the trench, he spots a piece of cheese on a mousetrap and eats it. In the next shot, the mousetrap has disappeared.
Continuity mistake: When Stan and Oliver are speaking to the ice-cream salesman, the amount on the till reads "05", but after Oliver has given him the money to pay for the ice-cream, the amount is now "10."