S4 E1 • Shocking

Case File # unknown Struck by lightning, a woman must release the electricity through sex in order to survive.

Première diffusion : 26 septembre 1999

S4 E2 • Sacrifices

Case File # unknown The O.S.I.R. investigates satanic cult activity on a college campus.

Première diffusion : 3 octobre 1999

S4 E3 • Happy Birthday, Matt Praeger

Case File # unknown Matt inadvertently enters an alternate dimension as a contestant on a game show where he must re-examine his life.

Première diffusion : 10 octobre 1999

S4 E4 • Soul Survivor

Case File # unknown The O.S.I.R. investigates a plane crash and its survivors, who have been in a sort of limbo since their disappearance 10 years ago.

Première diffusion : 17 octobre 1999

S4 E5 • 883

Case File # unknown A doctor's mission to colonize a new world forces Matt to make a decision about his future.

Première diffusion : 24 octobre 1999

S4 E6 • Once Upon a Time in the West

Case File # unknown An old man following three Old West outlaws is actually Axon 30 years in the future, warning his younger self against inventing time-travel.

Première diffusion : 31 octobre 1999

S4 E7 • Body and Soul

Case File # unknown The team's investigation of a woman's precognition of her own death leads to a shocking discovery.

Première diffusion : 7 novembre 1999

S4 E8 • Temple of Light

Case File # unknown A spiritual entity is blamed for an outbreak of murders at a Hollywood retreat.

Première diffusion : 14 novembre 1999

S4 E9 • Inertia

Case File # unknown Axon must race against time to save the life of an alien grounded in a meteor crash.

Première diffusion : 21 novembre 1999

S4 E10 • Nocturnal Cabal

Case File # unknown Donner and Stone are caught in a sinister plot when they investigate a rave club overrun by zombies.

Première diffusion : 28 novembre 1999

S4 E11 • 'Til Death Do Us Part

Case File # unknown A journalist's relationship with a Death Row inmate causes a rare haunting.

Première diffusion : 22 janvier 2000

S4 E12 • Tyler/Tim

Case File # unknown An autistic boy develops psychokinetic abilities while mourning the death of his twin brother.

Première diffusion : 29 janvier 2000

S4 E13 • Super Sargasso Sea

Case File # unknown Mysterious sky-falls may be the result of the Super Sargasso Sea theory.

Première diffusion : 5 février 2000

S4 E14 • Persistence of Vision

Case File # unknown A ghost-like image in a photograph might be the link between a serial killer and a real-life angel.

Première diffusion : 12 février 2000

S4 E15 • GeoCore

Case File # unknown Oil drilling in an ancient tribal burial ground unleashes a demon killer.

Première diffusion : 19 février 2000

S4 E16 • Gone Fishing

Case File # unknown Peter's old friend lures him into the wilderness seeking retribution for past deeds.

Première diffusion : 26 février 2000

S4 E17 • Chiaroscuro

Case File # unknown An angry spirit torments a group of artists in an old church.

Première diffusion : 15 avril 2000

S4 E18 • Regeneration

Connor Doyle, the team's case manager in the first season comes back from the dead, but this time his intentions are not all good.

Première diffusion : 22 avril 2000

S4 E19 • Wendigo

Case File # unknown During a search for three missing operatives, the O.S.I.R. uncovers a gruesome situation, cannibalism.

Première diffusion : 29 avril 2000

S4 E20 • Elevator

Case File # unknown During an investigation, Donner, Stone and Davison are trapped in an elevator.

Première diffusion : 6 mai 2000

S4 E21 • Force Majeure

Case File # unknown Lindsay and Peter are under cover as a married couple to investigate aberrant behavior among community residents.

Première diffusion : 13 mai 2000

S4 E22 • Stone Dream

Case File # unknown Mia Stone experiences precognitive dreams and hallucinations during an investigation.

Première diffusion : 20 mai 2000