Continuity mistake: When Sid and Bernie are in the car on their way to pick up Joan and Anthea, Sid drives the car around a bend, but in the very next shot he's on a straight piece of road.
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: During the scene when Sid James tries to speak to Barbara Windsor through the wall in the wash room, you can see the hole he speaks through is small, yet in some close-ups appears quite large.
Continuity mistake: When we see Sid and Bernie sleeping outside their tent after their dinghy inflated, you can see that Bernie's head is tilted to his left and he is bending his left arm. In the next shot, both his head and left arm are now straightened.
Continuity mistake: When Matron goes over to see Dr. Soaper in his tent, the tent next to Soaper's has two chairs outside, but in the next shot another chair has suddenly appeared.
Continuity mistake: As they are about to leave in the car in front of the house, Mrs. Fussey is right behind Sid as he walks round the car. However, when you see the next shot she is far behind him.
Continuity mistake: On the first night at the camp site it is raining. Before Sid and Bernie go to sleep, Bernie accidentally inflates the rubber dinghy, but the outside shot of the dinghy inflating in the tent shows that it is not raining.
Continuity mistake: When Sid James puts his feet into Joan Sims' stew, you can see that there is a blue tent behind him, but when we see Sid a couple of shots later, the tent has disappeared.
Continuity mistake: Whilst walking down the corridor in the school, Miss Haggerd hears a noise coming from the classroom. She goes to the door and opens it with her left hand, but in the next scene she is seen opening the door with her right hand.
Continuity mistake: When Sid puts his feet into the pot of Joan's stew, you can see that Anthea is sitting down peeling vegetables and she is nowhere near Sid. But when Joan says, "Sid, my stew!" the scene changes to a close-up of the pot, and Anthea is now sitting next to Sid.
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.
Continuity mistake: At the end when Hattie Jacques and Kenneth Williams are in the land rover spraying water over the hippies, the Flower buds guitarist's guitars have disappeared between shots.
Continuity mistake: When Sid tells Bernie of his plan to nip outside and sew Joan and Anthea's tent flaps together, he is holding the needle and thread with his hands together, but in the next shot he is holding them with his hands wide apart.
Continuity mistake: When Dr. Soaper asks the girls if they have any questions regarding Stonehenge on the coach, two girls stand up behind Babs and Fanny, but in the next shot when Fanny says "Go on, Babs, I dare you!", they are sitting down again.
Continuity mistake: When Kenneth Williams and Hattie Jacques are discussing what the birds and bees do to the girls on the coach, you can see that they are going down a motorway but in the next shot of the coach, they are driving down a country lane.
Continuity mistake: During the scene when Sid James is tying up the necklaces of the hippies at the rave-up, one of them he ties up is a blonde haired man with a striped shirt and brown jacket. But when we see "The Flowerbuds" performing a little later on, this man is no longer tied up - he is now dancing with the other hippies.
Continuity mistake: When Mr Fiddler comes over to see Sid about the clothes line, you can see Bernie's blanket is covering his vest. In the next shot, his vest is uncovered, and when Sid stands up to talk to Mr Fiddler about a "small charge", the vest is covered again.
Continuity mistake: When Joan Sims comes out of the car to tell Sid James that it's nearly six, you can see Sid's right arm is resting on the window but in the next shot it is now in the car.