Lois and Clark's parents show up to spend Christmas with them. Mindy Church reorganizes the Intergang and creates a Kryptonian virus to make Superman die. Now and for the first time in his life Clark is sick, but this sickness can kill him, unless Sam Lane helps him with a risky recovering process.

Ellen Lane hires a wedding coordinator to help on Lois and Clark's wedding, now the plans for a small ceremony are gone...And a magician with designs on vengeance is now in Metropolis against some people, including Clark.

Just before their wedding, Lois and Clark probe the theft of exotic amphibians, which leads them to a freakish biologist and a plot to assassinate the President.

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

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

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