A newspaper reporter investigates strange supernatural occurrences in Chicago.
Cast: Darren McGavin, Simon Oakland, Jack Grinnage, Ruth McDevitt
Kolchak tries to find some kind of reptilian monster that has been killing construction workers after they open a new tunnel, nearly 2 miles underground.
Kolchak discovers a very attractive woman who maintains her youth and beauty by sacrificing young men and women to ancient Greek gods.
Plans to turn a failing medieval museum into a party center animates the bewitched black armor of an infamously misanthropic knight.
Reporter Carl Kolchak investigates Chicago citizens having their hearts cut out by Aztecs.
A female demon, takes over the bodies recently killed young women, so she can seduce handsome young men and scare them to death.
Land development disturbs the final resting place of a headless, sword-wielding cyclist who hunts down and beheads the rival gang bikers who killed him.
Kolchak finds an evil witch in the high fashion industry, who is maiming and killing her competitors.
Ancient cells discovered in the arctic by oil men give rise to a carnivorous, evolutionary ancestor and a corporate cover-up.
Kolchak investigates a US military backed project called R.I.N.G. (Robomatic Internalized Nerve Ganglia), which is a robot that uses deadly force to defend itself against those who would harm it.
Residents of Roosevelt Heights are being caught off guard, and killed, by a flesh eating demon with the ability to appear as a person they know and trust.
Carl finds a spirit like monster is eating up the structure of a new hospital and draining patients of their protein.
A research experiment in dream deprivation produces a corporeal Cajun boogeyman covered in Spanish moss.
A Native American legend materializes in Chicago, and Carl discovers it when he investigates the mysterious deaths of two wealthy society matrons who possessed priceless jewels. When the murders increase, Kolchak learns that the force at work is know as The Diablero, a being cursed to roam the Earth in search of valuable gems.
Kolchak discovers a young rising politician, has made a deal with the Devil to murder off his competition through incidents made to look like accidents.
Kolchak discovers the murdered spirit of a gangster is incinerating his former enemies, and is trying to take over the body of a music conductor.
Kolchak is on assignment to interview singles aboard a cruise ship, and finds out some kind of wolf creature is killing passengers during the full moon.
Carl is determined to kill a beautiful, but extremely vicious, female vampire unknowingly unearthed by a road construction crew.
Kolchak connects a string of bizarre thefts committed by a powerful invisible entity that targets metal deposits to a string of suspicious animal and human deaths connected by the fact that the victims' bone marrow is missing.
An old black woman uses voodoo to resurrect her dead son to kill those who murdered him, and to kill those like Kolchak who would interfere.
Carl may be up against the original Jack the Ripper, a black-caped, bullet-resistant, super-human killer of women.