Continuity mistake: When Superman catches the cat burglar, when viewed from inside the window the soles of his boots are red. After Superman saves Lois and flies away from the daily planet building his soles are black.
Suggested correction: After he flies away from Lois, the bottoms of his boots are visible for only a couple of frames. Mistakes that require freeze framing are not valid.

Continuity mistake: Kal-El's cradle arrives on earth, flies zooming past the Kents' car, which is driving in the opposite direction and crashes 500 meters behind the vehicle. The car keeps moving for about 200 meters and then pulls over. A brief shot shows an intact curb on the right. However, when Jonathan Kent gets out of the car, everything changes: The cradle has moved 700 meters and lays next to the car; and the immaculate field is now destroyed by a huge ditch.
Sacha
Continuity mistake: When Otis is reading the paper about the meteorite found in Addis Ababa, the amount of chocolate in the candy bar increases or decreases depending on the shot.
Sacha
Continuity mistake: When leaving the Daily Planet for the first time together Clark gets stuck in the revolving door behind Lois. He lets her go through ahead of him and gets in the next section as the door revolves. Cut to the exterior of the Planet when they emerge (just before they meet Rex Reed) and Clark is in the same section of the revolving door as Lois.
Continuity mistake: On the Golden Gate, the blue beetle skids and stops with the rear tyres on top of a painted white line. A frame later the car is on the middle on the white line.
Sacha
Continuity mistake: The lights on the heliport keep swapping from facing the ground to pointing at the sky between shots.
Sacha
Continuity mistake: The telephone poles close to the gap on the railroad disappear in the wide angles.
Sacha
Continuity mistake: Inside the cab arriving at the Daily Planet, the fruit stall has no van behind. Immediately afterwards, a van appears.
Sacha
Continuity mistake: In the extended version, when Superman talks with his father in the Fortress of Solitude about being a hero, one shot shows the crystals reaching up to Superman's waist. In the next shot they are at ankle level.
Sacha
Continuity mistake: In the football field, all the player pass in front of Clark and leave him alone. In the next angle a player is passing by again.
Sacha
Continuity mistake: At the police station, behind the fat cop there's a young cop picking up papers who walks to the left and stays there for a while. When the angle changes he reappears in the previous spot, repeating all the movements.
Sacha
Continuity mistake: When Luthor switches the snow machine off, a wide angle shows the chamber totally covered in snow and ice, but the close-up of the vents and the walls surrounding are spotless.
Sacha
Continuity mistake: During the Golden Gate Bridge crash sequence, a reversed shot of a life-sized 1972 Trans-Am braking hard is shown. The next shot shows a model car smashing into a model school bus, and the car is suddenly a 1965 Corvette. The fimakers have painted it red & white so it resembles the Trans Am. (Timecode is for Director's Cut) (02:09:10)

Continuity mistake: Liz places her kitty on her right shoulder and on the next shot the cat's gone.
Sacha
Continuity mistake: When Ms. Teschmaker rests her arm on the file cabinet, a white roll of paper appears and disappears.
Sacha
Continuity mistake: Right before Superman catches the burglar, he is standing in a steel intersection of the building. A second afterwards, he is in the middle of a window pane.
Sacha
Continuity mistake: Before Superman lands on the sidewalk looking for Luthor, the aerial view shows no cars around. When he lands, the place is jammed.
Sacha
Continuity mistake: When the Hollywood sign is falling on the girls, a close view shows a girl very close to a letter while her friends run away. A split second later, from a wide angle, the girl has disappeared.
Sacha
Continuity mistake: Lois leaves the gas station but the reflection of the glass shows it still there.
Sacha

Continuity mistake: When the three villains get trapped by the glass, Ursa's face and haircut are totally different.
Sacha