Superman II

Deliberate mistake: The kid who falls into Niagara Falls spends 28 seconds falling before Superman catches him. Niagara Falls is 51 meters in total height. Considering how fast something falls, the kid should have hit the water long before Superman ever entered the scene. (00:39:30 - 00:40:00)

Casual Person

Deliberate mistake: When the villains rampage the White House, the flag's base remains on the ceiling, and the flag pole falls inside the house. So the final scene with Superman carrying the flag and its base as if it had been previously stolen or destroyed, is nonsensical, but it looks very patriotic indeed.

Sacha ★

Deliberate mistake: Luthor and Teschmaker visit the North Pole protecting themselves against the cold. Lois manages to wander around with a mere, but sexy, shirt.

Sacha ★

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Mistakes

Plot hole: When Superman becomes human for Lois, the molecule chamber nearly rips him apart, he suffers. At the end of the movie, when he tricks out of the evil 3 and turn them into humans with the same radiation, they are just looking around, wondering about the strange lights, but don't suffer at all.

Goekhan

Upvote valid corrections to help move entries into the corrections section.

Suggested correction: Well it's established that Superman has altered the machine. Maybe he also reprogrammed it to not leave signs of their powers being removed.

TheIrishMovieBuff

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Quotes

Terrorist: I hope you have not many sins left to be forgiven, because if you let go of that, you'll only have sixty seconds to list them.

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Trivia

Trivia: Richard Donner, the director of Superman, was originally hired to make Superman II. He had made over half of the movie before being fired. Richard Lester was hired to complete the film. So, Superman II contains footage from both the Richard Donner version and the Richard Lester version.

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Questions

Question: At the end of the movie when Clark and Lois are talking to each other at the Daily Planet, Clark kisses Lois and she forgets that Clark is really Superman. How could that happen and why would Clark make Lois forget that he is Superman, since she promised not to tell anyone?

Answer: Superman was be able to kiss Lois in such a way that the heightened emotion wiped out her memory of his identity. To answer your second question, even though Lois promised not to tell anyone, Superman decided he does not want even her to know his secret identity.

Matty Blast

Answer: I don't agree that he didn't even want her to know because he struggled in the beginning of the first movie with telling her on the first date. He was about to tell her from the beginning who he was. I don't understand why he was breaking it off with her at the end of the second movie and erased her memory to help her get over him. This confusion continues when he develops a relationship with another woman in the third or fourth movie.

At the end of the movie, he realises her love for him is torturing her, so he decided to remove the memories to end her suffering. It works, too, because as soon as she forgets, she's back to her old, happy self.

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