As Lois and Clark try to come to terms with Clark's marriage proposal and Lois's discovery of his secret identity, head of Intergang Bill Church Sr.'s attempts to go straight are hampered by his new wife and his son.
At Perry's insistence, Lois and Clark take time out on an island resort to work on their relationship, but it's hard to relax when Spencer Spencer, owner of the resort, is trying to steal Superman's body to replace his own deformed one.
During an apparent abduction by aliens, Lois is hypnotized to repeatedly put herself in danger, which keeps Superman distracted from a series of important thefts.
After being dumped by Clark, Lois starts dating an old friend, but he is less interested in winning her heart than in using her in a druidic sacrifice.
An undercover investigation into the Larry Smiley marriage institute gives Lois and Clark the perfect opportunity to work on their own relationship. It also gives them the inside track on a plot to flood the Earth.
An eccentric rich couple with a passion for collecting rare objects attempt to add Superman to their collection by bringing back one of his deadliest enemies, Bad Brain Johnson.
Clark's plan to propose to Lois again hits a major snag: The use of red kryptonite by two scheming sisters results in Clark's powers being transferred to Lois, forcing her to assume a costumed identity to deal with the problem.
When a woman claims to have had Superman's child, Clark insists that she's lying, but Lois is uncertain what to believe when the child picks up a sofa and flies during her interview with the mother.
Two years ago, three Nazi officers woke up from a long sleep to find that they had lost the war to the US. Now, they are trying to set up a new Nazi country in the US as the first step to begin world domination.
Lois and Clark are invited by a computer geek billionaire to experience his new virtual reality program. He manages to trap the two inside the program in order to extract information from Lois about Lex Luthor.
Lois and Clark's first Christmas as an engaged couple becomes stressful when Lois's parents show up with a new android stepmother, Intergang revives, and Superman is infected with a life-threatening virus.
A magician is out for revenge on three people in Metropolis, including Clark. He uses voodoo to strike Clark with his greatest fear, long suppressed. Meanwhile, Lois' mother takes over plans for the wedding.
It's up to Jimmy Olsen to decrypt the information on a laptop taken from corrupt NIA head Trevanian. But suave spy Jack Olsen, Jimmy's long-absent dad, is assigned by Trevanian to get the information back - and he has a license to kill.
Lois is abducted to an alternate universe where she is dead, Perry is running for Mayor against Tempus, and Clark isn't Superman. She and H. G. Wells must find a way home and convince Clark to accept his destiny before Tempus kills Perry.
As the stress of their approaching wedding becomes too much, Lois and Clark turn to investigating a bizarre story about frog-eating clones, unaware that one of them has replaced the President of the United States.
Lois has been captured by Lex Luthor and replaced by a clone. While Clark gradually comes to the discovery that the woman he married is an impostor, it becomes a race to track down the real Lois before she is killed by her clone.
Lois's clone offers to help Clark in exchange for her freedom. Lois, who still thinks she's Wanda Detroit, starts falling in love with Lex Luthor, who works to convince her to kill Superman and change into a new body.
Clark entrusts the amnesiac Lois to a respected clinic - where one of her doctors brainwashes her to become an assassin, and her other doctor abuses his position in an effort to win Lois's love for himself.
With Lois now believing herself to be in love with Dr. Maxwell Deter, Clark's attempts to tell her the truth get help from an unexpected source: Bad Brain Johnson's brother Herkimer, whose latest invention makes people prone to suggestion.
Lois and Clark go to Lois's high school reunion. There, she learns that her friends' spouses have disappeared. She decides to investigate this when something starts happening to Clark. He is beginning to shrink in size.
While discussing buying a house with Lois, Superman is put through brutal tests to his strength, ingenuity, and morals by the mysterious Zara and Ching.
After being approved in Zara and Ching's tests, Superman learns that they want him to leave the Earth (and Lois) forever and go back with them to rule New Krypton, or the planet will be ruled by the evil Lord Nor.
