A nameless member

Trivia: Danny Madigan is watching a Road Runner cartoon at his apartment. There are several subsequent references to "Acme" throughout the movie afterwards, to say nothing about the fact that there is a cartoon cat as a cop. (00:11:25 - 00:31:25)

Revealing mistake: When Jack Slater is about to play chicken with the guys in the pickup truck, it's a stunt driver. (00:30:55)