Hunter and Marty track down a red agent. In this first episode, Hunter and Ms. Shaw are after a Communist agent named Bluebird who leaves a razor-sharp edged star in each of his victims as a calling card. The star, by the way, is a unique martial arts weapon. It seems that everytime Hunter is ready to pay a call on a possible informant, the source has fallen prey to Bluebird by means of the slicing star. One victim, for variety's sake, crashes to his death when his parachute is tangled during a sky jump
Hunter is in a new episode—but in an old plot tonight. The bad guys (Reds in this caper) create, through surgery, an exact duplicate of Jim Hunter (Franciscus) to get at secret U.S. data. A plastic double of Hunter is created in a plot to frame him for the murder of a U.S. intelligence officer.
William Windom is the baddie here, a Russian agent who arranges for pretty Marty Shaw (Linda Evans) to have an auto accident so that he can do a little mind-altering job on her. She's,"programmed" to kill her uncle, an influential admiral in the Navy. But Hunter (James Franciscus) uses the old mirror trick to "snap" her out of it.
The Hunter becomes the hunted in a caper in which Jim Hunter (James Franciscus) poses as a paid killer (the real guy dying accidentally) who is about to make a "hit," Jim is startled to suddenly discover that he, himself, appears to be the target of the assassin!
Donald O'Connor guests as as retired song-and-dance man who becomes a key figure in the search for the assassin of a racketeer, Emile Teller. The entertainer gets involved in Hunter's search for a link between U.S. intelligence and the mob.
Hunter suddenly finds himself in a wary alliance with a ruthless East German spy on the verge of defection to America. Hunter encounters the East German who, nine years earlier, shot down his fiancée. First of two parts.
Seeking asylum in the U.S., Hunter's adversary offers to betray the group that hired him to assassinate a dignitary.
Doctor Martin Reed, a chemist working for the government, disappears mysteriously. At the same time, Doctor William Maklin, one of his associates, is killed in a plane crash. Investigating the death of Maklin's death, Jim Hunter discovers what Reed is hiding and that he's plotting a terrible conspiracy: poisoning two million persons if a ten million dollar booty is not delivered to him...
Hunter suspects a traitor in his organization thwarted a prisoner exchange between the U.S. and a foreign government. A prisoner exchange -a U.S.-held Communist spy for a Red-held U.S. spy - goes awry, and U.S. agents Jim Hunter and Marty Shaw are assigned to the recovery of the American spy
Hunter tries to recover a kidnapped Chinese defector (Keye Luke), who was about to leak crucial intelligence.
Someone else wants a secret dossier along with Hunter: a man who'll stop at nothing to obtain it.
An investigation of a theft from a nuclear plant uncovers a right-wing conspiracy.
While doing an investigation, Bill Wells, a friend of Hunter's, is murdered. With the help of Marty Shaw, Jim decides to finish Wells' job. A car plate found in the victim's house leads to a prominent civil servant at the Department of State, Steven Brandt, about whom Hunter discovers that he is involved in a huge corruption scandal...