Revealing mistake: At the end, when all the historical figures are going back into the phone booth, you can see the trap door in the back open and the people go through it. It would be kind of tight to fit all of them in the booth at the same time.
Revealing mistake: When little Melvin gets turned back into Toxie, Toxie charges towards the devil and picks him up, and starts swinging him up in the air. While he's doing that, you can tell the devil has been replaced by a very unconvincing dummy.
Revealing mistake: After Dooley and Jerry Lee were shot at and the window was blown out in Dooley's Mustang, they give chase to the Mercedes, look carefully at the "dog". In two shots in the chase sequence, you can see it is a fake dog and looks very much like the fake dog in the bar scene lunge. (00:56:30)
Revealing mistake: In an older video version, the 'Hollywood' George blows up in his Rambo dream was revealed as a prop screen: the upper edge was visible. (01:18:40)
Revealing mistake: In the scene where Buck causes all the pots and pans to crash while Tia and her mother are hugging, the final of the "reaction shots" is a close up of the two kids. You can see Amy Madigan squeeze their arms as a cue to make their shocked expressions; prior to this Gaby Hoffman was looking up with a neutral expression on her face. (01:33:10)
Revealing mistake: In the fight scene in the Alley you can tell in all the shots from behind they woman is a much younger and smaller stunt double. (00:22:30)
Revealing mistake: Near the end of the movie, when Wallace says: "hold tight lad, and think of Lancashire hotpot" one picture of a sheep on the ceiling slightly moves a few times. (00:19:57)
Revealing mistake: A brawl in the bowling alley erupts, started by Tex Cobb tossing on the ground a bad Jay Leno stunt double (hair color does not even match). (00:58:40)
Revealing mistake: When the locksmith van stops at the mansion, the headlights have translucent covers taped to the grill. This was to prevent the lights from being too bright in the previous nighttime overhead shot.
Revealing mistake: When Angela is pulling the girl up the flag pole you can see that the cable under her hands is being pulled off screen by something else to assist the actress.