Revealing mistake: The kid in the wheelchair is playing a Game Gear with no game in it.
Revealing mistake: In one scene, after a massive car chase, the end result is a city bus twirling round and round. Look under the bus and you can clearly see the mechanism supporting it.
Revealing mistake: When the hover craft throws the bad guy into the tree on the golf course, you can plainly see the wire helping him to swing into it.
Revealing mistake: Although set in the Bronx, trolleybuses of BC Transit, Vancouver are seen passing in the background.
Revealing mistake: When Jackie is water skiing behind the hovercraft you can see white plates strapped on the bottom of his shoes which are allowing him to water ski.