Season 1

Case File #34112: ""Dream House"" Blaine and Debbie McCallister summon the Office of Scientific Investigation and Research to investigate the cause of numerous strange occurrences at the site of their new home, after their teenage daughter is hospitalized as a result of a poltergeist encounter. Case File #52111: ""UFO Encounter"" Agents from the O.S.I.R. are summoned to a small town to investigate a double alien abduction of two boys and UFO sightings witnessed by many townspeople.

Case File #67102: ""Possession"" A software designer tells of demons attacking Case File #10103: ""Man Out of Time"" A disoriented man tells of being from the 17th century.

Case File #99101: ""Reptilian Revenge"" After an elderly man dies, his pet snakes escape Case File #44114: ""Ghostly Voices"" A voice calls a woman home.

Case File #77110: ""Creeping Darkness"" Impenetrable darkness threatens to engulf an Argentine town Case File # unknown: ""The Power"" Stress boosts a woman's psychokinesis.

Case File #47129: ""Free Fall"" A sky diver tells of defying gravity Case File #92109: ""The Presence"" A child fears a destructive force.

Case File #33130: ""The Infestation"" NASA scientists die searching for a meteorite Case File #87105: ""Human Apportation"" A Californian and her daughter inexplicably find themselves in Toronto.

Case File #28120: ""The Underneath"" A deadly creature lives in the sewers Case File #52113: ""Phantom Limb"" Strange events follow an accident that claimed a farmer's arm.

Case File #64131: ""The Transient"" A dybbuk invades the souls of innocents Case File #86126: ""Two Lost Old Men"" Young people pass through a forest's barren zone and instantly age 50 years.

Case File #623119: ""UFO Duplication"" Extraterrestrials clone farm inhabitants Case File #847117: ""Clara's Friend"" An apparition communicates with a girl.

Case File #702134: ""The Hunter"" A werewolf is suspected in cattle mutilations Case File #969121: ""The Healer"" Teen is credited with healing powers.

Case File #631136: ""The Curse"" Death strikes archaeologists who uncovered an Egyptian burial chamber Case File #260122: ""Angel on a Plane"" A mysterious woman safely lands a plane hit by lightning.

Case File #288128: ""Anasazi Cave"" Deaths at an archaeological dig may explain the mystery of the lost Anasazi Case File #199137: ""Devil's Triangle"" A man claims he was adrift in the Devil's Triangle.

Case File #763139: ""The Undead"" A homeless man revives during his autopsy and escapes Case File #569135: ""Stalker Moon"" A fan stalks an actress from the grave.

Case File #26014: ""Forbidden North"" A humanoid beast approaches a leg-trapped logger Case File #610115: ""Reincarnation"" A man undergoing past-life regression predicts the future.

Case File #213127: ""The Greenhouse Effect"" Plants attack a family Case File #213127: ""The Buzz"" Mysterious buzzing coincides with unexplained deaths.

Case File #206132: ""The Light"" As wounded Rollins lies near death, his evil doppelganger stalks the Office of Scientific Investigation and Research.

Case File #957176: ""The 13th Floor"" A possessed woman takes a horrible vengeance on her philandering husband Case File #284145: ""The Believer"" A kidnapper transmits his extortion demands psychically.

Case File #559146: ""The Fog"" A dense fog, mass hallucinations and a serial killer arrive simultaneously on death row Case File #810126: ""House on Garden Street"" An apparition appears to a couple under stress.

Case File #295143: ""Second Sight"" A kidney-transplant recipient has frightening visions Case File #734138: ""Chocolate Soldier"" A cult leader has power over women.

Case File #994124: ""The Fire Within"" Spontaneous human combustion Case File #232148: ""Fate"" A teen with psychic powers struggles to understand events leading to his best friend's death.

Case File #693142: ""Death at Sunset"" A mysterious illness claims its victims at sunset Case File #793144: ""Collision"" The soul of an accident victim possesses the driver who killed her.

Case File #321147: ""Perestroika"" The Office of Scientific Investigation and Research's Director of Operations Frank Elsinger orders Case Manager Doyle to lead a team of investigators to Archangelsk in Northern Russia. Having just viewed video footage of a team of Russian scientists examining a creature found frozen in a glacier by two gas plant caretakers, Elsinger does not reveal to Doyle that the last scene of the video showed scientist frightened and pleading for help.