The first title screen wrongly identifies Coney Island's Luna Park as 'Luma Park'. At 00:03:52 the entrance to Luna Park is clearly seen.
When Fatty and his girl are at the beach (first scene), a cameramen can be seen in the background in the upper right corner.
When the cop loses his uniform and runs out of the cell, he races around a low barricade that surrounds the sergeant's desk. When he grabs it as he speeds around, the barricade lifts off of the floor momentarily, showing that it is not attached to the floor.