Visible crew/equipment: After Dudley's mom drops him off when he's wearing his magician costume, just as the girls call him over we can see four chalk T-marks on the ground in the wideshot, before Newbomb borrows his costume.
The Hollywood Knights (1980)
1 visible crew/equipment mistake
Directed by: Floyd Mutrux
Starring: Michelle Pfeiffer, Mike Binder, Tony Danza, Julius Averitt, Phil Berle, Steve Ballard
Genres: Comedy
Factual error: When officer Bimbeau is locked in the restroom, officer Clark shoots the lock eight times -- with a six-shot Smith & Wesson revolver.
Suzie Q: How about a kiss?
Duke: Sure, those never cost anything.
Suzie Q: Yes they did. I got used to them.