Continuity mistake: When the gangsters hold a party a single is put on to dance to. the single is on a blue Decca label. When the single is taken off, it has changed to a black Decca label.
Continuity mistake: When Dave Chappell's character hits Sherman Hemsley's character with the lava lamp at the end of the movie, the lava at first covers his face. He then falls and immediately his face has only slight streaks of the lava.