This movie was adapted as a television series in Hong Kong with the same name.
You're going too fast!
Dragon Mi Yong: You'll drive me mad!
When dragon trips Mr. Chan, the lamp that he uses to trip him with clearly bends.
Outtakes from the film, including one of the takes from the famous clock tower scene
Large portions of the scene where fei (sammo) is playing mahjong and is found by the gangsters is cut from many international versions of the film - because it was felt that the game of mahjong isn't well known enough in many countries for it to be so prominently featured.