Continuity mistake: When Jason lunges at Batman with his knife, there is a pile of garbage by the wall where he lands. In the first shot the barrel by the garbage is wooden. But in the next shot it's suddenly a metal barrel/drum. It then changes back to a wooden barrel again. (00:04:20)
Continuity mistake: As Big Bill is walking towards Batman threatening him, they are standing where the Robins are to Batman's right and the old man and woman are to his left. Each group down at the end of the alley at each doorway respectively. When Bill swings a punch at Batman, Batman ducks away moving towards the right towards the Robins. But in the next shot he's suddenly moving backwards towards the left to the old man and woman. (00:04:55)
Continuity mistake: After Bill punches the door open at the end of the alley, the old couple get up and escape. There is a wooden barrel and trash in the corner where they were hiding. But moments later when Batman breaks Bill's leg, the corner is seen behind him and the barrel and trash are gone. (00:05:15 - 00:05:55)
Continuity mistake: Batman gets stabbed in the lower left arm by Gordon during their fight but a few moments later the cut is gone.
