Continuity mistake: Mr Muggins gets into a blue sleeping bag. In the morning as the Potters leave it's a brown bag. Later seen with a girl carrying it. His bag goes back to blue.
Continuity mistake: When Sid and Bernie come out of their tent to go the washroom, Bernie is starting to put on his shirt. After a quick cut to Sid, we return to Bernie and he has now managed to get his shirt completely on and buttoned in the space of about 5 seconds.
Continuity mistake: At the end of the film when campers are speaking to Mr. Fiddler about the noise, Sid James is first wearing a blue turtle-neck jumper when he appears from the tent with Bernie. But a few seconds later after some dialogue, he is all of a sudden wearing a light blue cardigan over the top of the blue turtle-neck jumper.
Continuity mistake: When Sid tells Bernie to turn off the light before going to sleep in their tent, you can see there is a holiday bag behind them and the handle is down, but when Bernie accidentally inflates the dinghy in the next shot, the handle is up.
Continuity mistake: When Sid tells Joan that they are not staying at the Paradise Camp, Joan says "What?" and you can see outside her window that the car is next to a bush. When we see Sid getting out of the car in the next shot, the bush is nowhere to be seen.
Revealing mistake: When Sid and Bernie wake up after sleeping outside their tent following the accident with their dinghy, Bernie pulls a metal pole and Sid is covered with water from the tent flap. At this point, Sid moves his head to ensure he gets the water on him.