Continuity mistake: At her house and at the fair, Daisy's bangle bracelet repeatedly disappears then reappears and changes wrists as well.
Continuity mistake: When Donald's double and Daisy have their photo taken at the fair, you can see that there are clouds in the background behind them, but when we see the photo, Donald peers in between the curtain but the clouds are nowhere to be seen.
Continuity mistake: When Donald sees his double in love, he peeps through the window and you can see the blind is down, but when Donald calls his double over, the blind is now up.
Continuity mistake: When Daisy opens the door, you can see that Donald's double has his cane in his right hand, but when he enters Daisy's house, the cane is nowhere to be seen.
Continuity mistake: When Donald's double pushes the doorbell with his cane, you can see that front door has no door handle, but when Daisy opens the door in the next shot, a handle appears.
Continuity mistake: When Donald and his double arrive at Daisy's house, Donald puts his left hand on the wall whilst pointing with the other hand, but when we see his double in the next shot, Donald's left hand is nowhere to be seen.
Continuity mistake: When Donald meets his double while walking down the street, the background behind them changes between shots.