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.
