Revealing mistake: The outline of Divine's wig is obvious during the closeup when she's scolding her donkey at the beginning.
Continuity mistake: Legionnaires are being mowed down left and right by enemy fire in a Nazi ambush. One of them falls into a road construction excavation. He falls on his back, but the close-up of his feet touching the power cable shows them facing down.
Continuity mistake: Whilst the family are on their way to the parents' house, Inoue takes out a sandwich in his mouth to show to a driver in the car beside him. After he takes the sandwich out of his mouth, the sandwich and the hand he is holding it in, rotate 90° in between shots. (00:17:13)