Continuity mistake: When the gang see the policeman outside their yard they stop walking suddenly causing Doughnut who is at the back to walk into them, pushing the pie he is eating into his face making a mess, In the next shots of the gang Doughnut's face is clean.
Continuity mistake: When the policeman is telling Barney to move on when he is busking outside the cinema, there is a woman in a green shirt pushing a pram along the pavement on the other side of the road, who disappears and reappears between shots.
Continuity mistake: Outside the palladium when the gang are trying to stop Barney from being arrested, the policeman is facing Billie, but when the angle changes the policeman has turned round and is looking the other way.
Revealing mistake: When Barney is in the bus he pushes the roof up with his hat .