Donald Mantooth

Johnny Cash and Ida Lupino guest star as husband and wife gospel singers whose marriage of convenience ends tragically.

A serial killer who preys on women haunts Chicago, and Kolchak (Darren McGavin) comes to believe that the killer is the original Jack the Ripper, a seemingly immortal killer who has slain women in many cities over the last century.

The security agents hired to protect the high-risk political leaders are sharpening their skills at Marc Redmond’s Vanguard School. Michael goes in undercover as an agent trainee, to penetrate the operation and determine which of the participants is the potential killer. When one of the agents - who happens to be a beautiful young woman - feeds him some misinformation, designed to throw him off the track, Michael almost closes the case prematurely. But at the last minute, he learns that all the would-be agents are involved in the plot. Jeopardizing his own safety, Michael harnesses all of K.I.T.T.’s powers to go after them, and in a spectacular chase finally diverts the assassination attempt.

On a college campus, young men are dying of heart attacks. When Kolchak (Darren McGavin) investigates, he finds that the men were associated with Professor C. Evan Spate, who is researching an ancient Middle East tablet, and that a series of similar deaths plagued the expedition that recovered the tablet.