Revealing mistake: When Kent rolls out of the front door with the popcorn, it is obviously a stunt double due to the man's hair being brown/black and Kent having blonde hair. (01:38:25)
Revealing mistake: When Anne comes home after Gilbert helped her with a hand out of the buggy you can see Matthew Cuthbert reading a newsletter. All pages of the newsletter has the same picture and text on it, even the inside.
Revealing mistake: Just before Michael and Ellie get out of his car, a fire extinguisher is seen mounted above the dash. Michael opens the hood and the engine begins smoking. Michael reaches into the car for the extinguisher. You can see through the windshield that he is handed another extinguisher instead of removing the one from its mounted spot. The mounted extinguisher is still visible in its holder. Likely done to preserve pacing so he doesn't have to fumble with the clamps on the mounted one.
Revealing mistake: On the ledge Robert Hayes is attached to the wall by a wire protruding from his shirt.
Suggested correction: Not true, the ledge was only 2 feet off the ground.
Revealing mistake: When Mark is in the fitting room, it's obvious that his stunt double is playing one of the cuts in the 'mirror' as their moves do not match.
Revealing mistake: As Ironbar shoots into the conduit where the kids are, the spots where the spark charges to simulate the bullets hitting are visible.
Revealing mistake: When the Pillsbury alien comes in to the pool house, a bright white light turns on from the far left. It is supposed to be emanating from Pillsbury. The color is also incorrect.
Revealing mistake: When he old lady jumps over the counter to attack Jack with a cleaver, she is replaced for the physical struggle by a younger person; you can see her face when the two struggle against the table. (00:04:55)
Revealing mistake: When Manny goes to lay down and uncouple the two locos at the end, a 7" icicle is flapping in the breeze.
Revealing mistake: After the machine runs over the terminal, killing him, when the camera shows the legs being run over again, it's easy to tell that they're dummy legs.
Revealing mistake: When Cay and Vivian are out in the desert it starts raining. Yet once they're in the car after the big kiss they seem completely dry with their hair only slightly damp. Clearly they just got their hair sprayed.
Revealing mistake: During the opening assault, notice that the sandbags of the enemy fortifications are more like fluffy pillows; they are squashed under a single person leaning on the bank, and they wobble and nearly fall over when Carrasco himself brushes the hip against them walking by. (00:04:30)
Revealing mistake: Every time Teek runs, the leaves and branches around flutter up and down in a high speed, revealing the scene has been speeded up.
Revealing mistake: During the first round of auditions. The gal in the yellow shorts does fine. But then suddenly during the final ballet elimination, she can't keep up with the other girls and makes mistakes before Zach kicks her off.
Revealing mistake: The guys can't find the exam paper while snooping around the biology lab. So Tommy holds up a single key marked 'Home' suggesting they sneak into the teacher's apartment, like they know exactly where she lives, when they've never been there.
Revealing mistake: At Rocky's graduation, when Dozer hugs him, you can see the make up wrinkle right below his eye.