Continuity mistake: When Hina is sword fighting with the Japanese soldier, and he slips over, in the overview shot, he is shown dropping his sword. When they go to help him up a few seconds later, the sword is now in his hand. (00:16:48)
Episode #1.4 - S1-E4
Continuity mistake: Mr. Knightley has just confessed his love for Emma. She is about to kiss him and is holding his face with both of her hands. Her left index finger moves from being right on his ear to being behind it and further down on top of his hair. (00:48:40)