A probe into alien threats to national security leads to the Daily Planet--and a search for Superman.

Perry White orders the Daily Planeteers to draw out Superman, but Lex may be one step ahead.

More than one "invisible man" terrorizes Metropolis; and Lois feels invisible to Superman, whose visibility as a celebrity has its price.

Lois kills a story exposing a fight scandal because its publication could get her father, a sports surgeon, killed.

Lois and Clark go undercover at a nightclub to find out about a connection between the owners of the club and a group of arsonists called the "Toasters". Superman is able to put out the "Toasters" permanently.

A group of children who are drugging themselves by an experimental drug to increase the intelligence begins to bring problems to Metropolis. Clark is worried because the children told him that they know he is Superman.

A friend of Jonathan and Martha has found a strange meteorite. Jason Trask is back and now he is in Smallville, looking for this meteorite that can destroy Superman. Lois and Clark go to Smallville to investigate the story and Clark introduces her to his parents.

Metropolis is hit with a strong heat wave in the middle of winter, and people believe that Superman is the cause. Lex Luthor is ultimately behind the heat and wants to see Superman gone. Clark decides to leave Metropolis, but Lois finds out that the Luthor nuclear plant is to blame.

An ex-lover of Lex Luthor spreads a perfume in the Daily Planet and everybody begins to fall in love with each other. Lois falls for Clark, the only one who isn't affected by the perfume and he tries not to take advantage of her. Without the perfume effects, Lex tells Nigel that he is in love with Lois.

Lois and Clark go undercover as honeymooners to a Metropolis hotel in an attempt to find out about a possible conspiracy which seems to involve a powerful congressman. They also need to learn how to share their lives with someone.

Superman loses his memory--and awareness of his superhuman abilities--in a cosmic collision with an asteroid heading straight for Earth.

Lois' life is in danger when she witnesses the murderer of a scientist who was claiming to know the secret to increased male potency. Now, Clark and Perry need to protect her from the murderer Mr. Make-up and from the scientist's affair from the past : Barbara Trevino.

Lois and Clark need to find out the truth about the kidnapping of rich children who are disappearing in a magic box. A magician hypnotizes Superman and Lois, who is now in risk of life.

Lois helps a convicted murderer (but he is innocent) allowing him to stay at her house. He is the only one with the cure for a destructive new computer virus that is a menace for Metropolis. Jonathan worries that Martha might be having an affair and comes to Clark's apartment.

The globe from Clark's spaceship begins to give him some information regarding his past, but the globe is stolen by two kids before he can learn much. Lex Luthor buys the globe from Jack and begins to learn something about Superman, but not too much.

A Lois' ex-colleague is working for another newspaper who is strangely getting the major news before the Daily Planet and Lois gets jealous when she shows interest on Clark.

Lex Luthor builds a clone of Superman, and teaches him to do what he wants, and what Lex wants is to destroy the real Superman.

A group of terrorists take Clark, Lois, Perry, Jimmy, Jack and Lex hostage in the Daily Planet and Clark is not able do anything with his Superman powers or the others will figure out his secret identity.

Lex throws Lois for a loop by proposing marriage. Meanwhile, Clark smells a rat when Lex "saves" the Daily Planet from going under.

Lois's mom arrives for her daughter's wedding to Lex, but Lois's pals have other plans.