Continuity mistake: During the archery constest, in one scene Prince John has a ring on his right paw with no jewel, then all of a sudden the jewel appears. a few scenes later he has three rings on that paw, and later he has no rings at all.
Continuity mistake: During the archery contest Prince John starts out wearing sandals, then wears no shoes, then wears sandals again when he dives out of the stand.
Continuity mistake: The plaster on Otto's leg changes from his left leg to his right leg throughout the film.
Continuity mistake: In the scene just after Robin Hood jumps from the top of the burning castle, Skippy, the little boy rabbit is hanging on to Little John's arm. He first has three fingers and a thumb, then after a brief shot of the water, he has four fingers and a thumb. He switches back to three fingers and a thumb a few shots later.
Continuity mistake: The sheriff of Nottingham appears to be a very skilled fighter: he is able to swordfight with both the left hand and the right. He also has time to change his scabbard from one side to another in the middle of action - as proved several times throughout the movie.
Continuity mistake: The first time the jail door opens the hinges are on the left and the door opens from the right. The next time the jail door opens, the hinges are on the right and the door opens from the left.
Continuity mistake: The Sheriff shoots his final shot and hits the bull's eye straight on. When Robin shoots, the Sheriff knocks the arrow into the air. Robin corrects the arrow's angle with another shot and the arrow also hits the bull's eye, splitting the Sheriff's arrow. But since it approached from an angle, there's no way it could split it right the way down the length of it.
Continuity mistake: In the scene where Maid Marian is introduced, the boy rabbit's wooden sword appears out of nowhere as he draws it to "battle" the hen. He doesn't have it before nor after.
Continuity mistake: After Robin Hood and Little John ran from the sherrif and his posse in the woods and swing up the tree you can see that both of them don't have arrows penetrating their clothing but after the sheriff and his posse leave you can clearly see that Little John had an arrow in his shirt and Robin Hood had an arrow in his hat.
Continuity mistake: During the archery contest fight, Little John starts in his disguise, then changes into his green clothes then back to his disguise.
Continuity mistake: Near the beginning of the film, when the young rabbit fires his arrow over the castle wall, it appears to fall into an enclosed courtyard. But when Maid Marian first notices him, as he picks it up again, there is no wall behind her.
Continuity mistake: In the scene with the citizens of Nottingham are in prison there is a rabbit (with the bow and arrow). He has a chain around his leg. When the people are rescued the chain has moved to his neck.
Continuity mistake: The Jewels in Prince John's crown change; a triangle of little red stones appears while he is thrashing around on top of the burning castle shortly before the film ends, in place of the larger red and green ones from earlier on.
Continuity mistake: In the opening sequence when the Sheriff's posse are chasing Robin and LJ through the woods, pay close attention to the posse [weasels, I think?]. When they first pop up behind the bushes, there are five of them. Later, when they're clustered under the tree that RH and LJ are hiding in, there are six of them. Finally, when they exit stage left over the log-bridge, seven creatures are seen.
Continuity mistake: During the battle part of the archery tournament (around the part when the Rhinos, Lady Cluck and Little John are in the tent), Little John looses the lighter colour in the front of his snout, making his whole face the same shade of brown (precisely at 46min29sec). His face then goes back to normal (darker near the eyes, lighter at the snout)half a second later.