Visible crew/equipment: When Jacquouille is trying to drive the police truck, it's obviously a stunt driver in some shots because he wears a t-shirt.

Continuity: When Jacquouille gets frightened by the television set, he throws a statue in it, making the TV set explode. The blankets placed over the couches as well as various objects are sucked into the set. In the next shot, the couch right in front of the TV is still covered by its blanket, which disappears in the following shot.

Continuity: When he wakes up in the present time, Godefroy has nothing on his head, but when he wakes up Jacquouille, he's got a helmet.

Continuity: When the old couple is driving Jacquouille and Godefroy, the window of the driver's side keeps changing from closed to opened.

Visible crew/equipment: When Béatrice asks to Ferdinand Eusebe to prepare the potion, there's a shot behind a desk. The shadow of the crew is visible on the books.

Continuity: After Jacquouille arrives at Béatrice's house, she talks to him about Jacquard. Her hair band keeps disappearing.

Continuity: When Jacquouille throws the television set in the pool, the toys are shaking. In the next shot, the are only shaking a little bit and they shake a lot after that.

Continuity: When Lady Ginette is trying to sell the jewels to the auctioneer, he has them and a magnifying glass in his hand then it's on the table and back his hands in the next shot.

Visible crew/equipment: At the wedding, there's a reflection of the crew on Jean-Pierre's car when Béatrice says to Jacquouille and Lady Ginette to shut up and sit in the car.

Continuity: When Jacquard shows his feet in the hospital, there's a doctor besides him but he disappears each time there's a view from the corridor where Béatrice and Jacquouille are.

Continuity: In the Middle-Age, Frénégonde knocks Jean-Pierre with a box. It disappears the following shot and appears again in her hands some shots later.

Continuity: In the Middle-Age, Jacquouille throws the branch twice at the wolves.

Continuity: During the wedding, Jacquouille takes the microphone of the singer, it's not attached. The shot later, it got a wire.

Revealing: In the opening credits, there's a shot of the first film where Jacquouille takes the jewels of the dead Duke. The "dead" man moves.

Continuity: In the Middle-Age, when Jacquard is escaping from the wolves, he is on the edge of a hill but when the bear attacks him, he is on a flat ground.

Continuity: Late in the film, when Jacquoille and Godefroy steal the police van, they roll through the woods and strike a postal vehicle. When both vehicles come to a stop, the direction of the police van from the postal vehicle's driver should be across the right headlight of the postal vehicle as the postman alights his vehicle, but he gets out and looks much more to his left.

Revealing: When the old couple finally escapes from Godefroy and Jacquouille, you can tell by the way the woman shakes that it's a dummy.

Continuity: The telephone on the bar in Béatrice's house change place form the time when Lady Ginette steals wine and when Jean-Pierre calls the firemen.

Continuity: In the opening credits, there's the scene from the first film where Jacquouille and Godefroy attacks the postman. His truck keeps changing place on the road.

Continuity: When Jacquard travels to the future, he's transformed in "a brown stuff", but it is smaller in the next shot.