Continuity mistake: When Pacino is talking to Rolando, he has a bottle of beer in his hand. The bottle hops all over the place in the scene. One minute it's in his hand, then on the table, then he's taking a sip from it...without Al Pacino moving. (00:16:25)
Revealing mistake: Just before A-Wax kills the guy in the red sweatshirt, you can see the squibs bulging on his back, underneath the victim's clothing.
Character mistake: When Mario and Luigi are escaping in the stolen Police car, a warning on their screen reads "Tunnel not finnished." (00:43:30)
Continuity mistake: 20 minutes into the movie, the detectives bring Calogero out to the street to identify who he saw with the gun. You see Calogero walk by Slick, who has his hands around a parking meter with his shirt open and unbuttoned. In the next shot, you see Slick again, but now his shirt is buttoned up.
Continuity mistake: When Arnie is playing with the grasshopper in the letter box, the way he grabs the insect changes between a shot and another one.
Revealing mistake: When Robocop flies towards Marie and Nikko to save them, one can see a support by his waist (or a black fabric covering his legs).
Continuity mistake: During Paco's undercover drug bust, the PCP dealer Carmen is smoking a cigar. She looks down before taking the cigar out of her mouth. In the next shot, she is still looking up.
Visible crew/equipment: When Beldar comes home from playing golf, he comes through the door from the garage. When he enters, he finds candles lining the floor. As he heads down the hallway towards the kitchen, look to the right of the screen and you can see a crew members hand on one of the stiles of the handrail of the staircase.
Continuity mistake: The word "DIREKTOR" written on the glass door of Schindler's office is little in one scene and bigger in another one.
Continuity mistake: When the crime bosses meet up at the casino, in the exterior shot, there are a few items on the desk including a bottle, an ash tray, a plate with a slice of pizza and a newspaper. Later, when Batman appears and punches one of the crime bosses onto the table, the bottle, ash tray and plate have suddenly moved closer to the newspaper. (00:02:00 - 00:02:28)