On the first morning in Chicago after santa wakes up and is talking to Cal he has both hands in front of him but in the next scene he has one arm by his side and the other behind his back.
When Mrs. Claus is talking to Sandra about taking things to the real world Sandra has her arms folded in front of her but in the next scene her arms are bent out in front of her.
As Sandra starts to leave after talking with her mom her mom starts to raise her left arm but in the next scene her left arm is down and she raises both arms.
When Sandra is in her room with Crouton and Mrs. Claus comes in Sandra puts her head in her hands but in the next scene her arms are folded in front of her.
One of the elves repeats the long-debunked urban legend that science can't explain how Bumblebees are able to fly.