Continuity mistake: When the green car smashes the fire hydrant, a yellow piece gets tucked underneath. In the following shots it disappears.
Revealing mistake: When Superman is in the cave, the computer is supposed to scan Superman making an instant diagram of him. Problem is that Superman's hands position is different to what the scan "sees".
Continuity mistake: During the sequence where Gus puts the table cloth on as a cape, Lorelei's right arm swaps between being between her legs to being on the side.
Continuity mistake: The second time Gus smashes the Krypton beam in the cave, some cables come off. In the next shot the cables are gone.
Continuity mistake: Before Bad Superman drops the bowl of nuts, a coaster is seen behind his left hand. In the following shots it disappears.
Continuity mistake: A scene shows some peanuts next to some smashed bottles, note the black ashtray. It is at first sideways, then in the next shot it is straight and continues to change position throughout the scene.
Continuity mistake: Gus places his hand on the door's frame. A split second later it's on the glass. (00:44:40)
Continuity mistake: When the blind man is walking two men from behind disappear in the close up.
Continuity mistake: While bad Superman is walking down the street Ricky calls him. From a back shot there's no one behind. From the front, a crowd appears behind the kid.
Continuity mistake: When Vera turns the TV off, in the aerial shot, the Tv is already off.
Continuity mistake: In the gym, the way Ross places the white towel around his neck changes between shots. His hands are covered by the towel or on top of it, depending on the shot.
Audio problem: When Gus is talking Brad into opening the glass door, the reflection of his mouth doesn't match match what we are hearing.
Continuity mistake: When Superman is landing Jimmy, a fireman in the back takes his oxygen bottle off twice.
Continuity mistake: When phone booths fall, they don't knock down a blue bucket; but a frame later, in a close up, it's seen down on the floor.
Continuity mistake: When Clark is trapped in the crunching machine, a blue piece of metal is left out. Two shots later it has disappeared.
Revealing mistake: Evil Superman supposedly holds Clark by the back of his shirt, but what we really see is his hand behind the back and not holding anything. Just closed in a fist.
Continuity mistake: When the telephone booths fall, the dog runs away. A second later it's seen back where he was running away again.
Continuity mistake: When Gus is trying to access the main computer, his reflection shows him bending down. In the next shot he is repeating the movement.
Continuity mistake: When bad Superman knocks out Clark with a kick on the face, his position on the floor changes between shots.
Deliberate mistake: There is no way for Gus to jump over the terrace with the skis since there's no ramp. He would have crashed against the wall and the flower pots we saw in a previous shot.
Answer: For one, when a commodity like oil is in short supply and the demand is high, the price rises significantly.
raywest