Plot summary
Lois' mother, Ellen ( Beverly Garland ) is in Metropolis wanting to help with the wedding plans even though Lois and Clark want a small wedding while an illusionist, known as "Baron Sunday" ( Cress Williams ), also arrives in town. Clark starts to have nightmares where someone seems to enclose him in a coffin and at first Lois believes that they are caused due to stress for the wedding. When two other people, who worked with Clark in the past, die due to their own fears, they connect the two deaths with Clark's nightmares and their investigation leads them to Baron who came to Metropolis for revenge.
Baron takes Lois planning to kill her and Clark has to face his own fear to be able to save her. When he realizes that what he sees is not a coffin but the moment his parents put him in the capsule to send him to Earth, is not afraid anymore and saves Lois capturing Baron. When the police arrives to arrest Baron they can't find him since he turned himself into a snake and escaped.
Credits
Adapted from Wikipedia contributors, Lois & Clark: The New Adventures of Superman season 3. HTML formatting and reference markers removed.