Continuity mistake: When Jacquouille and Jean-Pierre are in the Middle-Age, they want to alert the village that the Burgundians are going to attack it. They slide from the hill and a dead tree, or even an antennae is visible on the top of it. It's not visible in other shots.
Continuity mistake: When Lady Ginette is preparing a cocktail, she takes a bottle of red wine and starts to pour it in the bucket, but from another angle it's a bottle of vodka.
Continuity mistake: When Jacquard is in the Middle-Age escaping from the villagers, he passes in a backstreet and pushes a barrel to block the way. The shot later, the barrels are stacked normally.
Continuity mistake: When Jacquouille can't hear and Jean-Pierre and Lady Ginette try to help him, there is a shot where Lady Ginette passes her hand in his face and crushes his big brown mole. The next shot, the mole is small and after that, it returns to its normal size.
Continuity mistake: When Godefroy discovers that Jacquouille is the thief of the jewels, he removes them form his hands, but they're still there in some shots.
Continuity mistake: When Jacquouille is trying to hide the jewels in the kitchen, look outside. It's raining. But when he goes outside it's stopped and it's raining again a little bit later.
Visible crew/equipment: When the old couple arrive at the hotel, there is a reflection of the whole filming crew.
Continuity mistake: When Jean-Pierre appears in the Middle-Age with Jacquouille, he is on a tree and wears a red scarf around his neck. As he falls down, the scarf has disappeard, but it's back after he's on the ground.
Continuity mistake: Jean-Pierre's car does not look the same as in The Visitors. It's means to be the same car - the hole is still there on the roof.
Continuity mistake: The portal of Beatrice's home is blue but in The Visitors, it was gray.
