Continuity mistake: When Wednesday and Pugsley are playing with the guillotine, Wednesday has a scroll in her hands, which she then rolls up. The shot changes and you can still see the rolled up scroll in her hands. However, the shot then changes again and you can now see Wednesday rolling up the already rolled up scroll.
Continuity mistake: At the beginning of the movie, after the witches suck the life out of Emily, Winifred looks in a mirror and says, "Well...younger," and her green cape with a hood is on her in the closeup. In the next shot, when she says, "But, it's a start," she is not wearing her cape at all. (00:07:00)
Continuity mistake: After Jack is blown out of the sky and is lying in the graveyard, he has several grey smudges on his face from the explosion. But in the very next shot, a bird's eye view of Jack lying across the angel, the smudges have disappeared. (00:59:10)
Continuity mistake: 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 mistake: In Devo 4 Luigi's button unbuttons and rebuttons itself. (01:18:05)
Continuity mistake: After Nathan pours the gasoline and throws the match in the well, we see a canister and shotgun sitting by well. But when the well explodes, they've disappeared. (01:23:50)
Continuity mistake: When the Turtles are climbing the wall to get into the garbage-chute that leads to the prison, you can see Donatello's bandana tail hanging down towards the wall just as if they were crawling on the floor. (01:09:05)
Continuity mistake: When Phil is playing the piano at the party, he is wearing a pair of RayBan Wayfarer sunglasses. When he takes them off and sets them on the piano, they have turned into RayBan Baloramas.
Continuity mistake: In the big game the Cubs' manager says to Chet, "You gave me six great innings." But somehow, Henry pitches four innings when there are no extra innings in the game. How unusual.
Continuity mistake: When Jack rips the door off the cab, he first breaks the top hinge and enters the cab. In the next shot when he pulls the cabbie out of the car, the door is completely off and laying on the ground. A few shots later when Jack grabs the newspaper, the door is seen hanging again. (01:40:10)
Continuity mistake: When Merlin is about to strike the ice on the lake with Excalibur he first brings the sword up over his head. When he brings it over his head, his finger is over the hilt of the sword but when he brings it back down and hits the ice with it, his finger isn't. You watch him the whole time so if he moved it you would have noticed.
Continuity mistake: When the bus is coming to pick up Alfre Woodard as she is finally meeting her son, we see Robert Downey, Jr. briefly touch her on the shoulder. Since she's a soul, this is impossible.