Mulder and Scully face the prospect of becoming human sacrifices when they uncover a Satan-worshipping cult led by a demonic substitute teacher.
Mulder and Scully probe a government cover-up of a UFO abduction, leading to a bizarre encounter with an offbeat novelist.
To stop the murders of military officials by an unseen assassin, Mulder and Scully must apprehend an embittered Vietnam vet who can make himself invisible to his victims.
Rumors of witchcraft and sorcery surrounding a bizarre murder lead Scully to a little girl and a cursed doll that may be hiding a murderous presence.
Quinn takes his first slide through a passageway to another universe and returns to take his friends with him on another journey.