Fritz Greve

A mysterious doppelgänger relishes an opportunity to take over Xander's life, bamboozling Buffy and everyone else.

Lilly examines a 1979 murder investigation after a woman hands her a home video filmed by her perverted husband, which appears to show a teenage runaway being shot and killed.

Scully frantically searches for a way to help her ailing partner without having anyone to turn to for help, while catatonic Mulder's dreams lead him away from his mission and the X-Files, to a place where he believes a better life awaits.

The team investigates if 15-year-old whiz kid Ryan Wallace is missing of his own accord in order to execute his elaborate plan to bomb his high school. The agents learn that the missing student is an unpopular worrier who has obsessed about safety issues since his father's fatal mugging. They initially surmise that Ryan's disappearance may have something to do with the school bullies who picked a fight with him.