Audio problem: When Mr. Potter, Mr. Muggins and Mrs. Potter are getting undressed to go to bed in the tent, Mrs. Potter says, "It will be much better when I get my pants off", but her mouth is not moving.
Audio problem: When Sid is trying to talk to Babs through the wall in the washroom, he tells Bernie that he can hear her. But what you hear is Babs saying "Sorry for bursting in you last night sir" to Dr. Soaper inside the youth hostel.
Audio problem: When Sid says "What are you doing?" after Bernie pulls the dinghy cord in the tent, the audio we hear does not match Sid's mouth movements at all.