Continuity mistake: The patches on Jimminy Cricket's hat change size, color, location, etc. throughout the entire movie.
Continuity mistake: The lock on Pinocchio's cage changes from the right side to the left in different shots.
Continuity mistake: When Pinocchio is talking with Stromboli, there is a bag of gold on the tables with coins spilling out of it. But after Stromboli locks Pinocchio in the cage and comes back to the table, the bag is empty and lying on top of the coins.
Continuity mistake: When Jiminy earns his badge, in one shot it is mostly over his red shirt, but in the next it is mostly over his black jacket.
Continuity mistake: When Honest John holds his notepad in his hand, their is a hole in the thumb of his glove. Then when John gives Pinocchio his "ticket" the hole is gone.
Continuity mistake: On Pleasure Island, Lampwick uses a match to make a scratch on the Mona Lisa. The length of this scratch changes between shots.
Continuity mistake: In the scene where Pinocchio talks to Stromboli inside the wagon, many of the items on the table disappear, reappear, and change position constantly.
Continuity mistake: Close to the end, Pinocchio is lying unconscious on the bed. In one shot, his hand is lying entirely on one of the white patches of the blanket. In a later shot, his hand is half on a blue patch, half on a white one.
Continuity mistake: When Lampwick sprouts a tail, the patch on the seat of his trousers has stitches around it. These stitches disappear moments later.
Continuity mistake: When Pinocchio says he is going home, Stromboli starts laughing. Pinocchio asks if he thinks that's funny, and he replies, "Sure." In this shot, there is a gold coin on top of Stromboli's knife, but in the next shot it's gone.