Continuity: When Jacquouille is eating on the floor of the living room, the amount of food changes from shot to shot and when Béatrice notices the flooding, his dish is not there.
Continuity: When Béatrice is speaking to Jean-Pierre about cousin Hubert, he wears a dentist mask and gloves but the shot later he only has his gloves, and after that he has nothing.
Continuity: In the shots of Jean-Pierre's car, there are two different licence plate numbers.
Continuity: When Godefroy wakes up in modern time and wants to wake up Jacquouille, his glove is on the ground. He wears it when he speaks to Jacquouille and disappears after that.
Continuity: The physician puts the pills in the left pocket of Jean-Pierre's jacket. Later, when he is threatening Godefroy with the pills, he takes them from his pants.