Corrected entry: After Charlie finds the last ticket, "Slugworth" stops him to make an offer. As he talks, he mentions a better home, good food and comfort for the family. It wouldn't be possible for him to know Charlie's entire situation in the couple of minutes since the ticket was found.
Corrected entry: When Mr. Turkentine asks for Charlie's help with an experiment, he states that two of the main ingredients he would be using are Nitric Acid and Gylcerine. He then goes on two mention that when poured in equal amounts would create a very powerful wart remover. In truth, Nitric Acid and Gylcerine when mixed together actually creates Nitroglycerine, a very powerful liquid explosion and creating it in a classroom is criminally irresponsible.
Corrected entry: How did "Slugworth" get to Verucca so fast? He was already in Mr.Salt's factory at the time, but he would have had to be an employee to be there.
Corrected entry: When in the boat tunnel, we see a brief picture of 'Slugworth' being shown in the background. Both Charlie and Grandpa Joe react to it, even though there's no reason for Grandpa Joe to. He couldn't possibly think it was Slugworth, given how it was actually just an actor, Mr. Wilkinson, whom he has never even seen before.
Corrected entry: After the group heads down the hallway that gets smaller and smaller, they get to a door thats about 3 feet high. When Wonka opens the door and they cut to the exterior shot of the door, it is considerably larger and everyone is easily able to stand.
Corrected entry: In the scene where Charlie, Grandpa Joe, and Wonka are getting into the Wonkavator, Wonka tells Charlie that he has pressed every button in the Wonkavator except the one circled in red. Once Charlie presses it, Wonka tells them to hang on because he is not sure what will happen. However, in the very next breath he states, "Faster, faster, if we don't pick up enough speed we'll never make it through." Grandpa Joe then states, "You mean we're going...", and Wonka says, "Up and out." Now if Wonka never pressed the button and did not know what to expect, how did he know that they would be transported up and out of the factory?
Corrected entry: When Charlie's teacher is giving a lesson on percentages, he tells Charlie that he will use the number 200 as a means of calculating a simple percentage because can't figure out what percentage 2 out of 1,000 yields. This is simple to figure out even without a calculator. As someone who is sanctioned to be teaching mathematics, he should know this.
Corrected entry: When Charlie is first seen walking up to the gates of the Wonka factory there are just the street sounds. Then suddenly the "Tinkerer" (the guy with the knife cart) gives the dissertation about fear of little men (a poem of some sort) then proceeds to leave clanking and clattering on the cobble stone street. He should have either been visible on the first shot of Charlie as he walked up to the gates or heard as he approached later on to give his dissertation.
Corrected entry: Before the ride on the Wonkamobile, an Oompa-Loompa pours a liquid from a green bottle into the Wonkamobile, but in the next shot he is pouring it out of a brown bottle.
Corrected entry: When the Oompa Loompa is steering the Wonkatania, he doesn't move the steering wheel yet the ship manages to turn every corner. (00:59:00)
Corrected entry: Right after Willy Wonka plays the instrument to call for the Oompa Loompa when Augustus goes up the pipe. While he's waiting, you hear all of the parents and the kids talking about how rude and such he's being. Well, during that, you hear Violet's father say "What an a**hole.". (00:59:50)
Corrected entry: Willy Wonka says the reason he sent out the tickets was because he needed a child to run the factory. However, there were many adults trying to find a ticket. All five ticket winners could've easily been adults. So his plan could've very likely failed, and he could've easily been forced to give the factory to an adult, even though he said he wouldn't trust one.