Sacha

Revealing mistake: When evil Superman moves the Pisa tower, there's a protruding peak on his cape, seemingly a flying wire or some mechanism to make it move.

Sacha ★

Revealing mistake: When Vera is reading the Time magazine, it's missing the date and price on top of the letters, revealing it's a fake cover.

Sacha ★

Revealing mistake: During the wedding and tornado in Colombia, huge rocks fall on the people's heads and shoulders, but they stand-up harmless or react calmly, revealing they were hit by fake prop rocks.

Sacha ★

Revealing mistake: When Gus flies off with his skis, note that the wooden lattice is already broken before his crash to allow for the stunt.

Sacha ★

Revealing mistake: During the Pisa tower scenes, the sky is always the same, plus the balloons in the stall have the exact same position, revealing not only that the shot is a chroma, but that both scenes were shot the same day.

Sacha ★

Revealing mistake: After Clark defeats Evil Superman, he flies to the Statue of Liberty. The whole landscape is a still image with the ripples and the boats completely static.

Sacha ★

Revealing mistake: When the firemen's truck runs out of water there's a close-up of the level meter and it reads "Pierreville fire trucks Ltd. Camions a incendie" revealing the scene was shot in Canada.

Sacha ★

Revealing mistake: When Clark's sneeze launches the bowling ball, the ball casts no shadow, revealing it's a superimposed image.

Sacha ★

Revealing mistake: When the phone booths fall they don't have any cables attached underneath, revealing they're props.

Sacha ★

Revealing mistake: At the chemical plant, while Superman is landing Jimmy Olsen, the crane that holds them in the air casts a shadow on the green truck behind.

Sacha ★

Revealing mistake: When Superman fixes the Pisa tower, there's a wire on the left side, most probably the system to move the prop.

Sacha ★

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".

Sacha ★

Revealing mistake: When Evil Superman blows out the acid from his hands, the tube used to throw the liquid can be seen for a brief second standing out from his finger (hard to notice but it is there).

Sacha ★

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, or at most a part of a dummy which was superimposed with Christopher Reeve.

Sacha ★