An old woman grants Clark a glimpse of his future, while Lex takes advantage of the seer's gift to learn more about Clark's secret; a bitter old man finds a fountain of youth.
When a space shuttle mission is sabotaged, Mulder suspects it may be the work of an evil extraterrestrial spirit that inhabits the body of a former Gemini astronaut.
Assuming Mulder is dead, the FBI strips Scully of her credentials for withholding information about the missing computer disk.
Mulder and Scully are stalked by an ancient legion of lethal beings while investigating a boy’s claims that he was attacked by an invisible creature.
Arturo decides to run for mayor when the sliders land in a town where the women are the stronger sex.