Continuity mistake: At the beginning when the lady at check in is passed out on the floor, she is right up against the desk, but when Lois goes behind to tend to her, she is further away from the desk, and closer to the wall.
Continuity mistake: The mirror that the gentleman looks at to see if he is being attacked from behind changes completely when in a close-up, from a circular mirror to a more triangular one. (00:04:34)
Continuity mistake: Often the show reuses footage of Clark Kent changing into Superman, but the footage has him removing his hat, even though before he rushes off to change he is usually not wearing a hat.
Jimmy Olsen, Boy Editor - S2-E22
Continuity mistake: In the first episode, "Superman on Earth" (and one subsequent episode) Jimmy introduces himself to Clark as James Bartholomew Olson. In the episode "Jimmy Olson, Boy Editor" the sign on the Editor In Chief's office door reads James J. Olson.
