The appearance of the chicken changes before it gets run over. After it gets run over, it also changes appearance again between shots.
When Bernard Bresslaw walks into the shower room, and Kenneth Williams passes him Elke's clothes, Elke's shower has suddenly gained a glass panel.
When Barnes writes the word "Men" onto the shower block he writes it quite small, in the later scenes it appears much bolder and clearer.
The professor's caravan is tilted by an explosion but is level immediately after.
Joe Baxter's towel changes color from orange to red as he enters the shower room. It also moves from one shoulder to the other and a wash bag appears in his hand when he opens the shower block door.
Kenneth Williams (Prof. Crump) can be seen blinking and moving his eyes several times whilst apparently unconscious throughout the scene where, having just fainted, he is lying in bed being checked for signs of life by the incompetent Fred Ramsden (Windsor Davies) and Ernie Bragg (Jack Douglas).
When Vera Bragg says, "You remember to take care of your rods," her lips do not move. However, in a re-edited version of the film, she is not "in shot" when this line is heard.
When Major Leep is in the pub with Daphne Barnes, he says nice pub this without moving his lips.
Fred Ramsden and Ernie Bragg drive off in their car towing their caravan, shouting goodbye to their wives, but when Fred laughs, his lips do not move, and he is looking in the other direction.
When Prof. Anna Vooshka asks Arthur if he has any crumpet, the reflection of the boom operator is seen on the caravan, behind her.