Season 4

Superman leaves Earth for New Krypton to aid inhabitants of his homeland in their civil war against the sinister Lord Nor. Meanwhile, in Smallville, Nor holds Clark's parents hostage as slaves.

After Superman is unmasked as an impostor in a Kryptonian tribunal, the Man of Steel faces Nor in mortal combat.

The Wedding Destroyer arrives as Lois and Clark prepare to settle down in marriage.

As the newlyweds are about to consummate their marriage, time traveler H.G. Wells arrives with news that a curse threatens to strike them down.

Superman's eternal youth may intimidate Lois, but the super-power is eagerly sought by a gerontologist, an aging bank robber--and Jimmy.

Lois holds the smoking gun when an informant is shot down during a meeting with her.

Superman helps Lois break out of prison, only to encounter the wrath of the vengeful Prof. Cole--who plots to annihilate Metropolis.

The newlyweds get chummy with a new couple as Superman encounters a new adversary--known as Deathstroke.

A con artist is after the Kents' brownstone, and he summons the ghost of a woman who was murdered there to scare the couple away.

A new editor takes over Perry's office; and a computer hacker taps into classified files to learn the source of Superman's powers--and kill him.

An elfin visitor puts Daily Planet Christmas Eve partygoers into a time loop--and plunges the city into hopelessness and despair.

Just as an extortionist threatens to level Metropolis, Superman's powers go haywire, thanks to exposure to red kryptonite.

Superman wins a peace prize--and then sees his reputation crumble with the publication of a scandalous photo of himself with Lois.

Tempus, the time traveler, returns to Metropolis as a Presidential candidate bent on controlling the minds of the masses.

With Superman lost in a time warp, an alternate Superman from another dimension helps Lois combat the diabolical Tempus, the new President-elect.

Jimmy's new girlfriend is a Superman fan who thinks that Jimmy is the disguised Man of Steel.

Superman contends with a tough female competitor; the Planet gets a new owner; and corporate CEOs begin disappearing.

Clark finds evidence that someone is planning to take over Lex Luthor's empire.

Lois and Clark move to confront Leslie about his true identity, but a power-hungry maniac suddenly begins controlling Lois's mind.

A robber trying to hide out from the mob switches bodies with an unsuspecting Clark and discovers that the Man of Steel's superpowers come with the package.

Toys are involved in the abductions of orphans, Dr. Klein and the daughter of a toy-company board member.

Lois and Clark turn to Lois's father as they battle infertility problems; a telekinetic ex-con turns his mind into a deadly weapon.