Lois and Clark miss each other dearly. En route to New Krypton, Clark learns that the evil Lord Nor is out to conquer earth, starting with Smallville, Kansas. The military has no way to thwart his plans. The Kryptonians head back to earth. Clark briefly meets Lois after he lands, after which the two decide to go to Smallville to rescue the Kents and the rest of the world.
Lord Nor still has Smallville under his control. Worse, he has managed to take Clark prisoner for treason, as he purposefully never consummated his marriage to Zara and has no intention to ever fulfilling his duty. The council sentences him to banishment. Just as he is about to be gone for good, a loophole in the system is found which states that Clark can challenge Lord Nor to a duel. While all this is going on, the military has other plans. They are convinced that the Kryptonians plan to take over earth and they have decided to kill them all, even if Superman might ...
Time traveler H.G. Wells and evil villain Tempus are back for the third time. Lois and Clark are married, and about to consummate their relationship, when they are rudely interrupted by H.G. Wells. Wells informs them, they are soul mates and there is a curse on the love of their souls. The only way to lift the curse would be to travel in time, to the period when the curse was first applied. Lois and Clark accompany H.G. Wells to medieval times, to a land where Tempus is a lord, and Clark, without his powers, is Lord Tempus' most impressive knight. Clark has a secret ...
An old man stumbles into the Daily Planet asking for Jimmy before dropping down dead. His ID says that he is only in his twenties, but his looks suggest that he is over 70. Jimmy decides to investigate this himself and gets into serious trouble. Meanwhile, Lois is told that Superman ages much, much slower than humans. She begins to have nightmares where she is an old woman while Superman is still young.
When Lois Lane receives a phone call from Elroy Sikes, an ex-snitch, pertaining to have information about a story, she rushes off to meet him. When he starts telling her the "story" he demonstrates by telling her to point a gun at him. Suddenly the gun goes off of it's own accord, though Lois's finger was nowhere near the trigger, killing Sikes. Lois is put in jail, awaiting her trial. Meanwhile Jefferson Cole makes a holographic device, determined to ruin Lois's life.
Lois' promotion causes problems in her marriage to Clark. They have their first major fight after she kills one of his stories, preventing him from uncovering a plot. Two delinquent brothers try to destroy Superman.
A criminal from the future uses a subliminal device to win the presidential election and begins a reign of terror. Attempting to stop the villain, Superman gets trapped in a shattered time window and seems lost forever.
Lex Luthor's son, Leslie Luckaby, takes over as owner of the Daily Planet and makes a play for Lois. Lois and Clark consider conceiving a child together. Second of a three-part episode, "The Lex Files: A Lois and Clark Trilogy."
Lex Luthor's son wreaks havoc in Metropolis, and in Lois and Clark's marriage. Lois is kidnapped, while Superman investigates whether he can have children. Third of a three-part episode, "The Lex Files: A Lois & Clark Trilogy."
A villain who is trying to get a contract taken off of him by the mob, uses a crystal to transfer himself into the body of an unsuspecting Clark, not knowing until it's too late, that he is now Superman. Meanwhile, a now powerless Clark is trapped in the body of a mob-hunted man and must convince Lois it is him to get his body back.
In the series finale, a criminal with telekinetic powers takes Lois and Clark's parents hostage. Clark learns he cannot have children with Lois. However, a baby is left inside their apartment by someone who knows Clark's true identity and their problem.