Revealing mistake: As Sgt. Highway turns the dead body with a cigar in the pocket you can see its right arm move to avoid twisting. (01:38:05)
Revealing mistake: When Howard's running from the female bikers, Satan's Sluts, look closely at one and you can tell it's a guy in drag, one wearing a dark blond wig. (00:10:00)
Suggested correction: I was in this part of the movie, everyone in this scene (except for the duck) is female.
Revealing mistake: When Turnip mounts in the car (ending up destroying the passenger door), the car has the rear-view mirror. During the chase though, the mirror is gone, but it's back when they finally block their way in the alley and Turnip whacks his own nuts. (00:26:30 - 00:28:30)
Revealing mistake: As the bad guys' Ford pickup flips end over end, the device making it flip is briefly visible. Also, the "bad guys" still in the truck turn out to be dummies.
Revealing mistake: Vanity's stunt double is obvious as she drives the Corvette under the semi truck's trailer.
Revealing mistake: Obvious stunt man for Carrie Snodgrass due to having brown hair while she's a dark blonde when hanging from an axe handle near the end of the movie. (01:35:09)
Revealing mistake: The chairman parks his car in front of Bel Fuse Ltd. And goes upstairs. His car explodes, but does it in front of a different building, probably switching to a stage building front; the metal doors don't have vents anymore and there are visible join lines in the asphalt and the cement. (00:15:10 - 00:15:40)