Lana's great-uncle shows her a 40-year-old picture of a drifter who looks exactly like Clark; a medallion allows Clark to see flashbacks of his father, Jor-El, engaged in an illicit love affair that ends in murder.
Mulder and Scully investigate the deaths of two men believed to have been killed by a powerful psychokinetic force.
The agents investigate death cases in which the presence of cockroaches is the only common denominator.
Wade tries to prevent a series of murders on a new world that mirrors the events that occurred on the Sliders' last world.
Hanson and Penhall enter a military academy to solve a series of beatings targeting homosexual men.