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.
Quest roles:
Beverly Garland(Ellen Lane), Harve Presnell(Dr. Sam Lane), Jessica Collins(Mindy Church), Kathy Trageser, Joel Swetow, Robert Carradine