Continuity mistake: When Dr. Sawyer is giving Kris the exam, during the part where Kris is doing the physical coordination test, we see Kris from Sawyer's point of view, and Sawyer is drumming his fingers. When the shot switches to Kris's, he is fingering his eyebrow. When it switches back, fingers drumming. Finally, when it switches back again, his hands are neatly folded in front of him.
Other mistake: In the 1946 MGM film "Good News" - there is a minor flub in the last musical dance number -The Varsity Drag. About 131.13 into the film- a woman dancer wearing a pink dress - just to the left of the screen- stumbles forward and almost falls onto her face while dancing. They left this scene in for some reason. (01:31:10)
Continuity mistake: Pinkie sweeps all the glasses on top of the bar onto the floor, yet after he and his gang have gone we see broken glass on the bar top.
Continuity mistake: As Lulu is racing up to the school, you see the brick base of the school house and that the bricks are a dark red color. It then cuts to a closer angle as she is about to pull her fishing pole out of the steps and suddenly the bricks are now a light grey. Also in the same shots, you see first that the tree's shadow is lay across the walkway in front of the steps. But in the close up the shadow is nowhere to be seen. (00:01:55)
Continuity mistake: After Tom is sobered up by water, you can see behind him there is a bottle of seltzer in the refrigerator, but when Jerry comes along with a chicken drumstick in the next shot, the bottle has disappeared.
Continuity mistake: When Mickey Mouse is speaking to Minnie Mouse on the telephone, the telephone cord disappears and then re-appears.
Continuity mistake: When we see a man and woman sitting by a lake, the plate of pancakes on the picnic blanket moves from the left to the right between shots.
Revealing mistake: When Jerry walks towards the crab with the soda bottle cap stuck on his head, one of the crab's legs disappears for a frame or two.
Continuity mistake: When Butch points his pistol at Tom, you can see that the handle has nothing written on it, but in the next shot the words "Ajax" have appeared.