Tom Heaton

When an unseen force commits several murders wherever a young woman is present, Mulder suspects that it is the spirit of the woman's former boss who was believed to have committed suicide, but was actually murdered, and he is protecting her.

Mulder and Scully visit a town under attack from killer cockroaches. When Mulder discovers they are not insects but highly complex robots, he questions whether they come from this planet at all.

Lana's great-uncle shows her a 40-year-old picture of a drifter who looks exactly like Clark Kent, and a medallion allows Clark to see flashbacks of his father Jor-El, engaged in a doomed love affair.

The crew steps in to mediate an apocalyptic war in order to halt genocide and cure a fatal disease.

Wade tries to prevent a series of murders on a new world that mirrors the events that occurred on the Sliders' last world.

An alien visitor gives four Old West outlaws the power to disintegrate their enemies. With Esai Morales.