Kolchak traces the clues in a series of savage deaths at a secret government archive to a prehistoric lizard protecting her eggs.
When a dating service's young clients turn up dead of old age, Kolchak's investigation reveals that the service's operator is in fact Helen of Troy.
When the museum housing his armor is converted into a disco, a medieval knight stalks the city, committing murders with ancient weapons.
A series of gruesome murders leads Kolchak to a bizarre Aztec cult that has plans to resurrect an ancient god via a "perfect sacrifice."
The deaths of several college students lead Kolchak to their study of an ancient stone tablet -- but his investigation may put him at risk.
A series of grisly decapitations have one thing in common: Witnesses report seeing a headless motorcyclist commit the crimes.
Kolchak takes on a vengeful fashion designer who's using witchcraft to eliminate her professional enemies.
Savage primates assault the employees of an oil company's laboratory, leaving Kolchak to unravel the mystery of where they came from.
While investigating the mysterious death of a scientist, Kolchak uncovers secret research regarding the development of artificial intelligence.
It seems that the recent gruesome deaths at Roosevelt Heights have been caused by rats, but Kolchak discovers something far more sinister.
When strange phenomena and bizarre deaths plague the new Lakefront Hospital, Kolchak's investigation leads him to the building foreman.
When Spanish moss is found at the scene of several murders, the investigation points to a Cajun man who's been asleep for weeks.
Kolchak is puzzled by a series of suicides among the high-society set, and he soon discovers a shadowy American Indian who vanishes at will.
A senator forms a pact with Satan, and Kolchak discovers that the politician can assume the form of a frightening black mastiff.
Looking into a series of deaths surrounding a conductor, Kolchak learns that someone may have taken over the maestro's identity from beyond the grave.
A pleasure cruise turns deadly as Kolchak finds himself trapped on a yacht at sea with a rapacious werewolf.