Bless This House (1972)

Continuity mistake: During the food fight in the cafe, the cream on the cafe owner's face keeps disappearing and re-appearing between shots.

Continuity mistake: Watch the hotplate in the café scene before Mike puts the sausages in the oven. You can see that on the left hand side of the hotplate there is a large portion of fried egg white, but when we see Mike putting the sausages in the oven, the egg white has changed into a fried egg.

Revealing mistake: When the cafe owner takes Mike's chef hat away from him to continue frying the food on the hot plate, he stands on Mike's hand and breaks an egg. You can see that the egg is a fake one as no yolk is visible.