Luthor's ex-wife, Arianna, comes to Metropolis and creates an exact, but evil copy of Lois. The real Lois, with Clark, begins to investigate who's behind this creation. She discovers that Lex was already married when he tried to marry her. Arianna tries to kill Superman, because she believes he is responsible for Lex Luthor's death.
Guest Stars:
Traylor Howard, Jack Kruschen, Barry Livingston, Denise Crosby, Earl Boen
A villain creates a sound-based weapon that can affect Metropolis and Superman. Clark is nominated for the Kerth Awards, and Lois gets mad because she won this prize three years in a row and now she won't get the prize.
Guest Stars:
Cory Everson, Michael Des Barres, Scott Colomby, Barry Cutler, Richard Balin
When Lois fails to protect her source, she is suspended from the Daily Planet. Now, Lois and Clark need to work to find the criminal and restore her good reputation as reporter.
Guest Stars:
Barry Livingston, Peter Scolari, Tim Grimm, Jeffrey Joseph, Patrick Pankhurst
Clark needs to protect Lois against a man she sent to jail five years ago, and what this man wants more is revenge.
Guest Stars:
Bronson Pinchot, Rick Overton, Harold Gould, Leonard Termo, Marla Frees
The ""Intergang"", a new criminal organization tries to control south Metropolis and Superman is powerless because of their threats against everyone closest to him. Lois gets jealous when the investigator in charge, Mayson Drake, begins to show interest in Clark.
Guest Stars:
Dick Miller, Bruce Weitz, Peter Boyle, Farrah Forke, Steven Gilborn
Lois and Clark discover an terrorist operation to infiltrate the military Fort Truman and hijack a satellite. Now, they are targets of a supposely dead boyfriend of one of Lois' best school friends.
Guest Stars:
J. T. Walsh, Bill Erwin, Melora Hardin, Charles Rocket, Tom Hatten
Al Capone, John Dillinger, Bonnie and Clyde return from the dead by the hands of a scientist. They start a crime wave in Metropolis and when one of them shoots Clark, he needs to fake his own death to protect his identity.
Guest Stars:
Lonnie Burr, Joseph Gian, John Pleshette, Ray Abruzzo, Sal Viscuso
When Superman tries to save a man from suicide, a lightning strikes both. Few minutes later, the man is very strong and can fly...yeah, now he has Superman's powers too. Then he decides to be a superhero, and tries to make money with his ""advantages"", leaving Superman very mad about this. As soon as Dr. Gretchen Kelly finds out about this, she makes a plan to re-duplicate the lightning incident and kidnaps Lois to attract Superman.
A fired and vengeful toyman creates a toy which can make the adults act like children, and sure, all the Daily Planet gang will be affected too, even Clark.
Guest Stars:
Dick Van Patten, Denise Richards, Isabel Sanford, Sherman Hemsley, Sharon Thomas Cain
Lucy Lane is working in Metropolis again, and now she has a new boyfriend named Johnny. He's turned into a cyborg body powered with kryptonite by the hands of two doctors. When Johnny finds out what he really is now, he tries to defeat Superman.
Guest Stars:
Roxana Zal, John Rubinstein, Christian Clemenson, Scott Valentine, DeeDee Rescher
Lois and Clark investigate several robberies commited by a thief who is a ninja with mystical bracelets. These bracelets can give to a person power to kill Superman, using a mystical power named Chi.
Guest Stars:
Brian Doyle-Murray, Yuji Okumoto, James Hong, Leila Lee Olsen, Steve Eastin
Two scientists make Superman blind with a beam of light in his eyes, now Lois needs to take care of him on her house, while everybody think that Clark is in the mountains with Mayson Drake.
Guest Stars:
Farrah Forke, David Bowe, Gerrit Graham, Brian Reddy, Harvey J. Alperin
Lex is back from the dead by the hands of Dr. Gretchen Kelly, and now he wants to get Lois back and destroy Superman. Clark asks Lois out on a date, but, when she accepts, Perry sends them in a stakeout. Then, Lois and Clark call it the ""almost first date"".
Guest Stars:
John Shea, Tony Jay, Christian Clemenson, Barry Livingston, Denise Crosby
When a famous television reporter (and also an assassin from the Intergang) finds out Superman's true identity, she wants to show the information to the world. How will Clark hide the truth from the world now?
Guest Stars:
Tom Virtue, Farrah Forke, Raquel Welch, Robert Culp, Wayne Pére
When the Prankster escapes the prison, he continues with his plans to torment Lois' life, and now he also wants to kidnap the president of the United States.
Guest Stars:
Bronson Pinchot, Rick Overton, Harold Gould, John Pleshette, Sal Viscuso
When Jimmy is falsely accused by murder, Lois and Clark need to prove that he is innocent and clear his name. And they finally go to their ""real"" first date. Everything was going well, but when Clark takes Lois home, she closes the door on his face...because the date was great and because her fears about what will happen with their relationship. After they prove Jimmy's innocence, Lois explains to Clark what she felt when she closed the door on his face, and recognizes the mistake. When they finally kiss, a shocking and tragic thing happens.
A scientist develops a pill to ""ressurrect"" some ""dead"" criminal men in Metropolis. Clark is jealous because a man who is trying to solve Mayson's murder shows interest on Lois, and she thinks he is attractive.
Guest Stars:
Dennis Lipscomb, Jim Pirri, Curtis Armstrong, Danny Woodburn, Oliver Muirhead
Lois and Clark need to travel to 1966 with the help of H.G. Wells and his time machine to prevent a villain from the future who wants to destroy the baby Superman. The villain tells Lois about Clark's most important secret...his secret identity!
Guest Stars:
Robert Costanzo, Lane Davies, Terry Kiser, Don Swayze, Joshua Devane
Jimmy becomes a part of a experimental project by two ladies who want to put the people at their control. Lois is mad with all the Clark's suddenly disappearances and begins to date Scardino.
Guest Stars:
Alaina Reed Hall, Charles Napier, Jim Pirri, Meredith Scott Lynn, Claire Yarlett
The Intergang, now headed by Bill Church Jr., kidnaps Perry when Franklin Stern refuses to sell the Daily Planet and Superman allows the kidnap because he's affected with the strange ""Red Kryptonite"" effects. When Clark gets upset with Lois and Scardino's dates, he asks her out again.
Guest Stars:
Superman saves the life of a musician, but instead of "thank you", the musician wants to sue him because he "broke" his arm. Then, many people of Metropolis begin to fake injures caused by Superman. After finally giving up on her love for Superman, Lois needs to choose who's the one she is going to be together with: Clark Kent or Dan Scardino.
Superman's real identity is in danger of being exposed by a diary written by a man from the future. Clark finally asks Lois to marry him, but the question she asks is even bigger.
Guest Stars:
Tony Jay, Maurice Godin, Lamont Johnson, Michael Leopard, Rick LaFond
Guest Stars:
DeLauné Michel, Denise Crosby, Leslie Jordan, Cindy Williams, Jean Sincere
Guest Stars:
Farrah Forke, Robert Culp, Mark Rolston, John Kapelos, Sam Vlahos
Bruce Campbell, Barbara Bosson, O'Neal Compton, David Graf, Kelly Mullis
Guest Stars:
Kay Lenz, Jason Carter, Bruce Campbell, Adam West, Sal Viscuso