Anachronisms: Some of the costumes, like those of the soldiers, have obviously been zipped up the back. When Roger de Courtenay confronts Will Scarlet, you can catch glimpses of the zipper on Roger's tunic.
Anachronisms: The opening credits roll over a shot of a castle and there is a vapor trail in the sky above the battlements.
Anachronisms: When the Sherriff and his entourage arrive at the Fair, behind them in the distance a vehicle crosses from left to right.