Continuity mistake: After Tom flattens Jerry with the sign, Jerry runs on all fours backwards while flat and slides under the door of the Peter Peter Pumpkin Eater house. The close up of this shows that he does not pass by anything on the way and the ground is stone completely. The camera cuts to a wider shot as Tom dashes up and suddenly there is the statue of Peter with a sign that was not there when Jerry passed. Also grass appears in the area, and the stone ground becomes dirt. (00:05:00)
Continuity mistake: When the Minion dressed as a maid answers the door, there is nothing next to it. When the shot returns to the door after the Minion has been taken, a umbrella and a holder for the umbrella have suddenly appeared. (00:21:50)
Continuity mistake: When Emma finishes her performance after the big car chase, she jumps off the star and slides on her knees to the edge of the stage. It cuts to a much further back shot, and suddenly she is quite a ways away from the edge of the stage, back next to the star. (01:06:55)
Revealing mistake: As Elsa sings "Let It Go" she pulls her hair into a long braid going down her back. She pulls it with her left hand from behind her to in front, but the end doesn't flip over her shoulder, she just pulls it straight through to the other side without going over the top. (00:34:10)