PSI Factor: Chronicles of the Paranormal - Season 4 (1999)

The plane carrying a famous rock band goes missing along with its passengers in 1989. In 1999, it suddenly reappears buried underground with the band's singer as the sole survivor. The team slowly uncovers what happened on the flight.

Matt finds a disfigured mute with number 883 embedded on his arm. His toxic blood infects Matt and slowly starts killing him. Matt's only chance for survival is the secretive female doctor behind the genetic experiment that created 883.

The Houdini Gang, a cowboy trio straight out of 1899, is stealing bullion from a bank's vault when their time machine breaks down. They take Peter hostage. Outside, familiar stranger approaches Lindsay and her psychotic SWAT leader beau.

A woman's vision of her own brutal murder leads the team to an unmarked shallow grave on her boyfriend's mother's farm. Anton suspects that the boyfriend's missing father has been reincarnated as the woman.

Lindsay infiltrates a serene, anti-government, new age cult that worships an entity they call Varik to investigate the reported possession of a cultist and popular scream queen by Varik. She and the team uncover a deadly conspiracy.

Peter and Lindsay join a team of military scientists who are secretly transporting a female alien. A survivalist group of cultists who believe that the alien is their messiah ambush the convoy. Peter and the alien escape into the woods.

In this comical meta episode, Mia takes Lindsay to a rave night club that turns out to be a front for hungry vampire-like ghouls. Meanwhile, Peter must deal with an aggressive female TV producer who wants to make a TV show about the team.

A female author in love with the subject of her book, a reformed death-row inmate, believes that he's contacting her through astral projection. The team discovers there's a far more sinister explanation.

The team is called to a camp for mentally challenged kids to investigate a lake monster. The monster turns out to be a prank of an autistic teen, who shows signs of psychokinesis. The team discovers the shocking truth behind his power.

Frogs and fish rain in the backyard of an alcoholic divorcee. Lindsay and Peter find the lake where the animals came from, but two hicks find the teleporting device that caused the incident first. Their disapproving mother falls into it.

Investigation of a ghostly image on a wedding video leads Mia to a young secretive homeless man who has visions of murders committed by a mysterious serial killer. Another man is following them. Is he the killer, a demon or an angel?

A chemist hired by a shady businessman to analyze a soil sample from the sacred ground of a Native American tribe is killed by something in it. Lindsay, Peter and everyone in the building are put in quarantine. A shaman offers her help.

Peter and an old friend with a grudge go on a fishing trip but end up being captured by a psychotic feral woman who lives like a hermit in a secluded cabin in the nearby forest.

Abandoned church turned art studio is haunted by a force that possesses and forces the artists there to draw images of hell. The team suspects aliens until they realize that three bohemian artists in a menage-a-trois are haunted the most.

The team's former female colleague has secretly created a clone of Lindsay that possess rapid healing. Connor reappears and warns the team that the clone is actually a highly unstable and dangerous human-alien hybrid.

Peter and Lindsay investigate what happened to their three colleagues who went missing in the woods while investigating a werewolf case. The missing team's found footage clues the two in that they're actually dealing with a wendigo.

A man kills himself after having a deja vu of an alternate timeline in which his wife admitted to infidelity. Lindsay, Claire and Mia get stuck in his building's elevator and start an uncharacteristically frank and mean-spirited argument.

Lindsay and Peter give contradictory accounts of why a man they were investigating went up in flames. Peter believes he was a drunk swinger who spontaneously combusted, while Lindsay believes he was a demon trying to take Peter's soul.

Mia, Lindsey and Peter discover a cocooned alien. Mia suffers from hallucinations after being caught in the alien's web. She becomes part of an experiment that goes very wrong. The show ends on a sad, ambiguous note.