# List of The F.B.I. episodes

This is a list of episodes for the television series The F.B.I., which aired from 1965 to 1974. All episodes were filmed in color.

## Series overview

| Season | Episodes | Episodes | Originally aired | Originally aired |
| Season | Episodes | Episodes | First aired | Last aired |
| 1 | 32 | 32 | September 19, 1965 (1965-09-19) | May 8, 1966 (1966-05-08) |
| 2 | 29 | 29 | September 18, 1966 (1966-09-18) | April 16, 1967 (1967-04-16) |
| 3 | 27 | 27 | September 17, 1967 (1967-09-17) | April 28, 1968 (1968-04-28) |
| 4 | 26 | 26 | September 22, 1968 (1968-09-22) | March 30, 1969 (1969-03-30) |
| 5 | 26 | 26 | September 14, 1969 (1969-09-14) | March 8, 1970 (1970-03-08) |
| 6 | 26 | 26 | September 20, 1970 (1970-09-20) | March 21, 1971 (1971-03-21) |
| 7 | 26 | 26 | September 12, 1971 (1971-09-12) | March 19, 1972 (1972-03-19) |
| 8 | 26 | 26 | September 17, 1972 (1972-09-17) | April 1, 1973 (1973-04-01) |
| 9 | 23 | 23 | September 16, 1973 (1973-09-16) | April 28, 1974 (1974-04-28) |

## Episodes
### Season 1 (1965–66)

| No. overall | No. in season | Title | Directed by | Written by | Original air date |
| 1 | 1 | "The Monster" | William A. Graham | Norman Jolley | September 19, 1965 (1965-09-19) |
| Case file #76-3342-J: In the first episode, Erskine and Rhodes are assigned to track down Francis Jerome (Jeffrey Hunter), an extortionist who has escaped from a federal prison in Pennsylvania. Erskine must also confront a number of personal issues when a woman involved in the case takes a liking to him. ||||||
| 2 | 2 | "Image in a Cracked Mirror" | William A. Graham | Anthony Wilson | September 26, 1965 (1965-09-26) |
| Case file #29-68954-G: Erskine and Rhodes are assigned to track down a bank embezzler (Jack Klugman). The title stems from the fact that Erskine recognizes traits he shares with the embezzler, such as the fact both men served during the Korean War and both are fathers whose wife has died. ||||||
| 3 | 3 | "A Mouthful of Dust" | Don Medford | Earl Mack | October 3, 1965 (1965-10-03) |
| Case file #70-68307-C: Joe Cloud (Alejandro Rey), a Native American who served under Erskine during the Korean War, kills a man who was trying to rape his wife. Cloud flees custody and Erskine attempts to bring him in while trying to keep Cloud from harm. ||||||
| 4 | 4 | "Slow March Up a Steep Hill" | William A. Graham | Charles Larson | October 10, 1965 (1965-10-10) |
| Case file #91-77270-X: Erskine faces problems in his personal life and at work at the same time. His 19-year-old daughter, Barbara, insists on marrying his partner, Rhodes, right now. Meanwhile, assistant director Arthur Ward questions Erskine's approach to catching a bank robber; a man has already confessed to the crimes, but Erskine is convinced the illegitimate son of another bank robber is the real culprit. ||||||
| 5 | 5 | "The Insolents" | Don Medford | Theodore Apstein | October 17, 1965 (1965-10-17) |
| Case file #45-47339-Y: Rhodes must confront his own emotions about an incident in his past as he investigates a spoiled young playboy (James York) accused of a murder on a cruise ship. ||||||
| 6 | 6 | "To Free My Enemy" | William A. Graham | Norman Jolley & Ken Kolb | October 24, 1965 (1965-10-24) |
| A pornographer (James Gregory) that Erskine has been pursuing is about to flee the country, but is kidnapped before he can do so. Now the FBI man has to smash the kidnapping plot, although it will mean helping the pornographer escape. ||||||
| 7 | 7 | "The Problem of the Honorable Wife" | Don Medford | Jo Pagano | October 31, 1965 (1965-10-31) |
| Case file #98-63520-M: Erskine and Rhodes investigate a group of saboteurs in San Francisco. The title refers to the wife of one of the saboteurs; the wife (Miiko Taka), who is Japanese, is unaware of her husband's illegal activities. ||||||
| 8 | 8 | "Courage of a Conviction" | Don Medford | Oscar Millard | November 7, 1965 (1965-11-07) |
| Case file #87-633462-C: In St. Louis, Erskine and Rhodes arrest a man they think is a notorious check forger. The arrest has been made with the assistance of an old friend of Erskine's (Edward Andrews), but the FBI investigator has doubts they've really arrested the right man. ||||||
| 9 | 9 | "The Exiles" | William A. Graham | Robert Leslie Bellem & David W. Rintels (as "Pat Riddle") | November 14, 1965 (1965-11-14) |
| Case file #2-46675-R: Exiles from a South American country are trying to organize a coup of their former land. What they don't know is they have a mole among them: Erskine is assigned to infiltrate the exiles, who are based in Miami, by pretending to be a mercenary. ||||||
| 10 | 10 | "The Giant Killer" | Don Medford | Mark Rodgers | November 21, 1965 (1965-11-21) |
| Case file #52-19223-W: A deranged man (Robert Duvall) is planning on destroying an American test rocket. He has left a series of cryptic radio messages across the U.S. ||||||
| 11 | 11 | "All the Streets Are Silent" | William A. Graham | Mark Rodgers | November 28, 1965 (1965-11-28) |
| Case file #52-499362-M: In California, a gang led by the Murtaugh brothers (Burt Reynolds and Joe Maross) has stolen weapons from the U.S. military. Erskine and Rhodes are assigned to capture the gang. ||||||
| 12 | 12 | "An Elephant Is Like a Rope" | Don Medford | Robert Leslie Bellem & Lee Erwin | December 5, 1965 (1965-12-05) |
| Case file #87-52739-X: A young man (Beau Bridges) drives to FBI headquarters from Virginia. He is carrying a large amount of cash and has been shot. He also can't remember his own identity. The title stems from the story of blind men trying to establish what an elephant looks like by feeling different parts of the animal; that story summarizes the challenge facing Erskine and Rhodes as they try to reconstruct what happened. On top of that, a pair of hit men (Ted Knight and Paul Mantee) are stalking the boy. ||||||
| 13 | 13 | "How to Murder an Iron Horse" | Christian Nyby | Don Brinkley | December 12, 1965 (1965-12-12) |
| Case file #9-74219-C: A disturbed young man (David Macklin) blows up a freight train. He is now blackmailing the railroad -- he'll do the same to a passenger train unless he is paid $100,000. ||||||
| 14 | 14 | "Pound of Flesh" | Christian Nyby | Norman Jolley & Tom Seller | December 19, 1965 (1965-12-19) |
| File# 70-74476-X: The wife of a U.S. military chaplain (Leslie Nielsen) is murdered. The accused (Bruce Dern) is a soldier with a shaky record. The town surrounding the base is on edge, complicating the investigation of Erskine and Rhodes. ||||||
| 15 | 15 | "The Hijackers" | Don Medford | Norman Lessing | December 26, 1965 (1965-12-26) |
| Case file #15-9436-S: Erskine and Rhodes are sent to Milwaukee to investigate a truck hijacking. The FBI thinks it is the work of an interstate hijacking ring. In reality, it was organized by an employee (Arthur O'Connell) of a trucking company who was forced to retire. At the same time, Erskine tries to make time to visit his uncle (Cecil Kellaway), who suffers from being alone. ||||||
| 16 | 16 | "The Forests of the Night" | Christian Nyby | Charles Larson & Sy Salkowitz | January 2, 1966 (1966-01-02) |
| Case file #9-26080-X: In Oregon, members of a religious colony have incurred jealousy and ire from residents of a town. The young son of the colony's leader has reported he was beaten. Erskine and Rhodes are thrust into the middle of the situation, which is as combustible as the nearby forests which have endured a 97-day drought. ||||||
| 17 | 17 | "The Chameleon" | Don Medford | Norman Jolley | January 9, 1966 (1966-01-09) |
| Case file #29-31091-C: Erskine and Rhodes are tracking a man (James Daly) who seduces and then kills wealthy widows. Can they reach him before he kills again? It turns out the killer has deep psychological issues about being adopted. Erskine is able to use that fact to his advantage in the investigation. ||||||
| 18 | 18 | "The Sacrifice" | Christian Nyby | Andy Lewis | January 16, 1966 (1966-01-16) |
| Case file #65-9525-X: A defecting Soviet diplomat informs the FBI that a major Southern California defense contractor is the source of a security leak. Erskine and Rhodes assume cover identities. Meanwhile, the leader of a Soviet spy ring (Albert Paulsen) prepares to sacrifice one of the collaborators to throw the FBI off the scent. ||||||
| 19 | 19 | "Special Delivery" | Ralph Senensky | Samuel Newman | January 23, 1966 (1966-01-23) |
| Case file #91-42238-P: The FBI investigates a group that transports fugitives out of the country. Erskine, again assuming an undercover identity, is sharing a ride with a wounded criminal (Earl Holliman) and his girlfriend. ||||||
| 20 | 20 | "Quantico" | Christian Nyby | Ron Bishop & Don Brinkley | January 30, 1966 (1966-01-30) |
| Case file #52-7672-S: An FBI trainee, one of the best who has ever gone through the FBI academy in Quantico, Virginia, discovers a cousin is the man who is trying to blow up a federal building in Washington. ||||||
| 21 | 21 | "The Spy-Master" | Richard Donner | Anthony Spinner | February 6, 1966 (1966-02-06) |
| Case file #65-4948-X: A U.S. diplomat is approached by the Chinese government to provide sensitive information; the Chinese are specifically seeking the contents of a document known as the Forsythe Memo. Erskine impersonates the diplomat to infiltrate the spy ring. ||||||
| 22 | 22 | "The Baby Sitter" | Christian Nyby | Leonard Kantor | February 13, 1966 (1966-02-13) |
| Case file #7-1101-D: A mentally ill woman (Colleen Dewhurst), who is babysitting an infant, abducts the child. Erskine and Rhodes track the woman across several states. The FBI agents must figure out the kidnapper's motivation and why the date of April 2 is so significant to her. ||||||
| 23 | 23 | "Flight to Harbin" | Don Medford & Christian Nyby | Gene L. Coon & Charles Larson | February 27, 1966 (1966-02-27) |
| Case file #164-4391-K: A man (Arthur Hill) hijacks a plane bound for Seattle. He forces it to fly to Alaska, where it is to refuel before heading to Harbin, China. The hijacker turns out to be a U.S. scientist. Assistant Director Ward tells Erskine the man and his knowledge must not be allowed to reach China -- at any cost. ||||||
| 24 | 24 | "The Man Who Went Mad by Mistake" | Ralph Senensky | Robert Leslie Bellem & Daniel B. Ullman | March 6, 1966 (1966-03-06) |
| Case file #115-28414-T: Chicago businessman Mark Tabor (J. D. Cannon), who has ties to organized crime, is about to go on trial for fraud. Tabor narrowly escapes a hit attempt, and has himself committed to an asylum. Erskine poses as a patient to prove that Tabor is faking. ||||||
| 25 | 25 | "The Divided Man" | Don Medford | David Duncan & Norman Jolley | March 20, 1966 (1966-03-20) |
| Case file #98-81829-M: Roger Leroy Mason (Bradford Dillman), a research chemist, cracks under pressure from both his job and personal life. He has sabotaged one facility of a chemical company that is interested in bidding on a process his firm has developed. That incident resulted in a massive fire. The FBI races to find Mason before other chemical facilities are destroyed. ||||||
| 26 | 26 | "The Defector: Part 1" | Christian Nyby | Norman Lessing | March 27, 1966 (1966-03-27) |
| Case file #65-22317-H: Dr. Gregory Holman (George Voskovec) is in Washington playing in a chess tournament. He is also an intelligence operative for an Eastern European country and may be ready to defect to the United States. Seemingly killed in an explosion, Holman is actually alive and on the run, and both countries are trying to find him. ||||||
| 27 | 27 | "The Defector: Part 2" | Christian Nyby | Norman Lessing | April 3, 1966 (1966-04-03) |
| Erskine and his team finally track down Holman, who won't defect until he's sure that his children, who are still in his home country, are safe. ||||||
| 28 | 28 | "The Tormentors" | Jesse Hibbs | Anthony Spinner | April 10, 1966 (1966-04-10) |
| Case file #7-4929-D: Dan Winslow (Kurt Russell), the son of a rich man, is kidnapped by the mentally unstable Dupree (Wayne Rogers), who wants $300,000 and has no intention of letting Dan go free. Erskine must contend with Dan's bull-headed father (Lew Ayres), who wants to do things his own way, which includes offering a large reward for information about the kidnapping. ||||||
| 29 | 29 | "The Animal" | Christian Nyby | Mark Rodgers | April 17, 1966 (1966-04-17) |
| Case file #76-2947-C: The murderous Earl Clayton (Charles Bronson) leads four other criminals in an escape from a New Mexico jail. Erskine and Rhodes are sent after Clayton, who is in a remote lodge with hostages. ||||||
| 30 | 30 | "The Plunderers" | Ralph Senensky | William Fay | April 24, 1966 (1966-04-24) |
| Case file #91-62290-H: A bank in Baltimore is robbed. The crime was obviously well planned, yet the criminals only steal $12,000 when much more could have been taken. Erskine and Rhodes dig deeper to find a deceased bank robber in the 1940s would rob a small bank as a practice run before striking a richer target. Now, the FBI must comb through all the dead robber's cell mates to find who is adopting his tactics. A missing button from the Baltimore robbery will prove to be a major clue. ||||||
| 31 | 31 | "The Bomb That Walked Like a Man" | Christian Nyby | Charles Larson & Richard Morgan | May 1, 1966 (1966-05-01) |
| Case file #7-76881-H: Dale Hillman (Robert Drivas) kidnaps and kills the daughter of a police chief. The reason: Hillman had been rejected while applying for a position with the department because of an eye defect. The FBI is called into the case. In the meantime, Hillman joins an extremist group. Erskine infiltrates the group to get the evidence needed to put Hillman away for good. ||||||
| 32 | 32 | "The Hiding Place" | Don Medford | Robert Leslie Bellem | May 8, 1966 (1966-05-08) |
| Erskine and Rhodes are sent to a small town in Oregon with a predominant Asian American population. Evidence has surfaced that one of its residents may have been a traitor during World War II, serving as a Japanese officer without ever renouncing his U.S. citizenship. The one-time officer also was involved in torture during the war. To find the man, the agents eventually must seek the aid of one of the torture victims from the war. ||||||

### Season 2 (1966–67)

| No. overall | No. in season | Title | Directed by | Written by | Original air date |
| 33 | 1 | "The Price of Death" | Paul Wendkos | David W. Rintels | September 18, 1966 (1966-09-18) |
| Case file #7-23938-C: A gang of kidnappers preys on middle-class families; based in Reno, they identify men who have won money gambling, then kidnap their children. ||||||
| 34 | 2 | "The Escape" | Ralph Senensky | Mark Rodgers | October 2, 1966 (1966-10-02) |
| Case file #89-14243-D: Convicted murderer Larry Drake (Roy Thinnes) is freed during a brazen escape that results in the deaths of three law-enforcement officers, one of whom was a good friend of Inspector Erskine. ||||||
| 35 | 3 | "The Assassin" | Ralph Senensky | John McGreevey & Anthony Spinner | October 9, 1966 (1966-10-09) |
| Case file #65-16842-C: Bishop John Atwood (Dean Jagger), a peace activist, is coming to the U.S. to deliver a speech. He has been targeted for assassination by Anton Christopher (William Windom), who has never been photographed. Neither the FBI nor the bishop knows that one of the bishop's closest friends is part of the plot. ||||||
| 36 | 4 | "The Cave-In" | Paul Wendkos | Andy Lewis | October 16, 1966 (1966-10-16) |
| Case file #98-33934-R: The FBI is called in to investigate a case of sabotage at a tungsten mine in New Mexico; the bureau is concerned because the metal is vital for U.S. defense and aerospace efforts. But the sabotage has nothing to do with the Cold War. Rather, it is the work of Tom Rule (John McIntire), whose son was killed at the mine, and who wants to prevent his grandson from working there. ||||||
| 37 | 5 | "The Scourge" | Paul Wendkos | Norman Jolley | October 23, 1966 (1966-10-23) |
| Case file #92-5843-A: Erskine and Rhodes are investigating Johnny Albin (Robert Duvall), a "juicer" who makes loans to desperate businessmen and then uses his leverage to take control of their companies for Cosa Nostra boss Mark Vincent. Erskine hopes to use Albin to get to Vincent, who controls a savings-and-loan and other legitimate business fronts. ||||||
| 38 | 6 | "The Plague Merchant" | Lewis Allen | Barré Lyndon | October 30, 1966 (1966-10-30) |
| Case file #87-32746-J: A chemist (Arthur Hill), facing escalating medical bills because his daughter may lose her leg, steals flasks he thinks contains a new lotion. In reality, he has taken a powerful bacteria that will wipe out all forms of life within a certain area. A spy, Jago (Michael Strong), wants to sell the bacteria to a country hostile to the United States. Erskine and Rhodes are dispatched to track down the missing flasks which have the potential to wipe out millions of lives. ||||||
| 39 | 7 | "Ordeal" | Ralph Senensky | Robert Bloomfield | November 6, 1966 (1966-11-06) |
| Case file #87-78550-L: Thieves steal an experimental form of nitrogylcerin, which is especially volatile. A guard is killed in the robbery and one of the thieves is also killed because he can't take the stress. The thieves recruit Carl Munger, an experienced truck driver who has hauled nitrogylcerin before and needs the money. Rhodes, posing as an out-of-work truck driver, wins Munger's trust and joins him in hauling the explosive chemical. ||||||
| 40 | 8 | "Collision Course" | Christian Nyby | Leonard Kantor & Charles Larson | November 13, 1966 (1966-11-13) |
| Case file #88-36432-S: Frank Schroeder (Jack Lord) is hitchhiking, and is picked up by a motorist in the Southwest. Schroeder then kills the motorist in cold blood. Now, the FBI has launched a manhunt for Schroeder and puts him on the agency's Ten Most Wanted list. Erskine and Rhodes try to trace Schroeder's bloody trail, which will result in the death a pawn broker. ||||||
| 41 | 9 | "Vendetta" | Paul Wendkos | Franklin Barton | November 20, 1966 (1966-11-20) |
| Case file #65-40515-S: Otto Mann (Alfred Ryder), a Nazi hunter, wants to help Erskine capture Karl Schindler, former Nazi officer and current Communist spy. However, Erskine wants to capture Schindler alive because of his knowledge of U.S.-based agents, and Mann may want him dead because Otto's wife died in a concentration camp under Schindler. ||||||
| 42 | 10 | "Anatomy of a Prison Break" | Ralph Senensky | Herman Groves & Robert J. Shaw | November 27, 1966 (1966-11-27) |
| Case file #70-16154-L: A dying inmate in a Colorado federal prison tells the warden that a break-out is going to happen; because the prison houses some of the worst criminals in U.S. custody, the FBI is called into the case. Erskine goes undercover as the new cell mate of Fritz Moline (Joseph Campanella), who's suspected of organizing the escape. ||||||
| 43 | 11 | "The Contaminator" | Paul Wendkos | Daniel B. Ullman | December 4, 1966 (1966-12-04) |
| Case file #65-57884-U: Communist spy Lawrence Underwood (Linden Chiles) has stolen secrets from an atomic laboratory in Idaho; in the course of the theft, he caused an accident involving atomic materials and is now contaminated with radiation. Erkine is on his trail, unaware of his condition. ||||||
| 44 | 12 | "The Camel's Nose" | Joseph Sargent | Mark Rodgers & Gerald Sanford | December 11, 1966 (1966-12-11) |
| Case file #164-429-C: A company aircraft of Colton Industries, a Detroit-based defense contractor, explodes in mid-air, killing one of the partners of the company; he was headed to Washington because he was going to blow the whistle about defective aircraft components that Colton Industries was shipping to Vietnam. As Erkine and Rhodes investigate, Assistant Director Arthur Ward takes an interest in the case because he's a friend of Elyse Colton (Diane Baker), the wife of the surviving partner. ||||||
| 45 | 13 | "List for a Firing Squad" | Jesse Hibbs | Mark Rodgers | December 18, 1966 (1966-12-18) |
| Case file #65-64887-N: Istvan Sladek, an agent for a Communist Eastern European nation who is operating in the U.S., has obtained a coded list of opposition leaders in his country. But in getting the list, he fatally shot the editor of a newspaper for Slavic Americans. Erkine and Rhodes lead the FBI's hunt for Sladek. At the same time, Sladek knows agents of his country will liquidate him the moment he gives up the list. Complicating all of this is the fact Sladek, during the preceding six months, fell in love with a woman (Suzanne Pleshette) who immigrated from his country. ||||||
| 46 | 14 | "The Death Wind" | Ralph Senensky | Robert Leslie Bellem & Mark Rodgers | December 25, 1966 (1966-12-25) |
| Case file #45-9844-J: Jennerson (Ralph Bellamy), the captain of a freight ship, loses his vessel when it hits what appears to be an old mine. The event is viewed as a tragic accident, which cost the life of one of Jennerson's crew. However, the FBI, led by Erskine and Rhodes, is following up indications the incident was deliberately staged. ||||||
| 47 | 15 | "The Raid" | Ralph Senensky | Mark Rodgers | January 1, 1967 (1967-01-01) |
| Case file #91-64888-M: A phone call from a mortally wounded ex-convict puts the FBI on the trail of The Iceman, a killer who's part of a gang of bank robbers. ||||||
| 48 | 16 | "Passage Into Fear" | Christian Nyby | Andy Lewis | January 8, 1967 (1967-01-08) |
| Case file #69-43767-C: Hanna Crandall, a witness in a trial against an intelligence operative of a Communist nation, panics and flees to Quebec, unaware that assassins are on the train with her. Erskine and Rhodes manage to get aboard and try protect her. ||||||
| 49 | 17 | "The Courier" | Ralph Senensky | Robert C. Dennis & Charles Larson | January 15, 1967 (1967-01-15) |
| Case file #65-43374-S: The agents look for proof that humanitarian Juliet Sinclair (Ruth Roman), recently arrived from her orphanage in Asia, is a Communist courier. ||||||
| 50 | 18 | "A Question of Guilt" | Ralph Senensky | Mark Weingart | January 22, 1967 (1967-01-22) |
| Case file #44-3928-S: Erskine investigates the murder of a drug addict allegedly beaten to death by veteran police detective Frank Harris (Andrew Duggan). Complicating the case is a newsman's inflammatory charges of police brutality. ||||||
| 51 | 19 | "The Gray Passenger" | Christian Nyby | Jerrold L. Ludwig | January 29, 1967 (1967-01-29) |
| Case file #45-82133-A: Investigating a shipboard murder, the agents undercover a plot to aid guerrillas in a strife-torn Latin-American republic. ||||||
| 52 | 20 | "The Conspirators" | Christian Nyby | Norman Jolley, Edward V. Monaghan & Robert J. Shaw | February 5, 1967 (1967-02-05) |
| Case file #100-98451-L: While investigating a Communist-inspired murder, Erskine uncovers a plot to blow up a military supply ship bound for the Orient. ||||||
| 53 | 21 | "Rope of Gold" | Jesse Hibbs | Norman Borisoff & Mark Rodgers | February 12, 1967 (1967-02-12) |
| Case file #15-50426-K: Erskine becomes involved in international intrigue when he learns that stolen truck cargoes have surfaced behind the Iron Curtain. ||||||
| 54 | 22 | "Hostage" | Christian Nyby | Robert Leslie Bellem & Mark Rodgers | February 19, 1967 (1967-02-19) |
| Case file #65-54538-S: Enemy agents kidnap an esteemed European statesman (Paul Lukas) in a plot to exchange him for a captured Communist spy. ||||||
| 55 | 23 | "Sky on Fire" | Jesse Hibbs | Don Brinkley & Charles Larson | February 26, 1967 (1967-02-26) |
| Case file #52-36652-B: After George Bellamy (Bradford Dillman) accidentally kills a man (Charles Grodin), he desperately starts a fire, which he knows will set off a broader blaze, to cover up the crime. ||||||
| 56 | 24 | "Flight Plan" | William Hale | Francis M. Cockrell | March 5, 1967 (1967-03-05) |
| Case file #87-24533-D: The FBI searches for an art thief (J.D. Cannon) trying to kill the one person who can identify him: a woman (Antoinette Bower) who wrecked his intricate escape plan. ||||||
| 57 | 25 | "The Executioners: Part 1" | Don Medford | Norman Jolley | March 12, 1967 (1967-03-12) |
| Double dealing within the sprawling crime syndicate known as La Cosa Nostra causes a major war for control. ||||||
| 58 | 26 | "The Executioners: Part 2" | Don Medford | Norman Jolley | March 19, 1967 (1967-03-19) |
| A Cosa Nostra czar (Walter Pidgeon) plots the death of a possible witness (Telly Savalas) against the crime syndicate. ||||||
| 59 | 27 | "The Satellite" | Jesse Hibbs | David W. Rintels | April 2, 1967 (1967-04-02) |
| Case file #7-8625-H: The agents probe a kidnapping with a cruel twist: the victim's parents are also being plagued by an extortionist. ||||||
| 60 | 28 | "Force of Nature" | Jesse Hibbs | Mark Rodgers | April 9, 1967 (1967-04-09) |
| Case file #7-67052-B: The agents race a killer and a hurricane to an abandoned house, where the criminal's terrified wife has fled from her ex-husband (James Franciscus). ||||||
| 61 | 29 | "The Extortionist" | Gene Nelson | Norman Jolley & Mann Rubin | April 16, 1967 (1967-04-16) |
| Case file #9-3275-C: A bigot (Wayne Rogers) is trying to extort money from a Mexican-American rancher. ||||||

### Season 3 (1967–68)

| No. overall | No. in season | Title | Directed by | Written by | Original air date |
| 62 | 1 | "The Gold Card" | Don Medford | Mark Rodgers | September 17, 1967 (1967-09-17) |
| Erskine joins a syndicate poker game that may cost him his life: All the players have been marked for death. ||||||
| 63 | 2 | "Counter-Stroke" | William Hale | Gerald Sanford | September 24, 1967 (1967-09-24) |
| "The Alexander Tapes": Operating undercover, Erskine poses as a Red courier to reach the top Communist (Kevin McCarthy) in the U.S. Nearing his quarry, the G-man finds himself trapped in a bloody Moscow-Peking power play. ||||||
| 64 | 3 | "Blood Verdict" | Gene Nelson | John Furia | October 8, 1967 (1967-10-08) |
| The F.B.I. moves to thwart jury tampering by the father (R. G. Armstrong) of a man on trial for murder when a juror dies under mysterious circumstances and the wife (Pilar Seurat) of another juror is threatened. ||||||
| 65 | 4 | "Traitor" | Robert Douglas | John W. Bloch | October 15, 1967 (1967-10-15) |
| Erskine uncovers a plot to steal top secret missile data that involves two estranged brothers (Andrew Duggan) and (Richard Anderson) and the woman (Phyllis Thaxter) they both ended up marrying. ||||||
| 66 | 5 | "By Force and Violence: Part 1" | Don Medford | E. Arthur Kean | October 22, 1967 (1967-10-22) |
| Erskine connects the kidnapping of a teenage boy to a heist planned by the boy's long-lost father (Arthur Hill), a criminal who's being forced by his son's kidnappers. ||||||
| 67 | 6 | "By Force and Violence: Part 2" | Don Medford | E. Arthur Kean | October 29, 1967 (1967-10-29) |
| Trailing the kidnappers, Erskine uncovers plans for a three-million-dollar robbery by the boy's father. ||||||
| 68 | 7 | "A Sleeper Wakes" | Robert Douglas | William Bruckner | November 5, 1967 (1967-11-05) |
| The murder of a civil servant brings the FBI into an espionage case involving a Communist news service in Mexico City. ||||||
| 69 | 8 | "Overload" | Jesse Hibbs | Robert I. Holt | November 12, 1967 (1967-11-12) |
| The FBI searches for an ex-convict (Scott Marlowe) bent on murdering the girl (Diana Hyland) whose testimony sent him to prison. ||||||
| 70 | 9 | "Line of Fire" | Jesse Hibbs | Mark Rodgers | November 26, 1967 (1967-11-26) |
| The F.B.I. tracks one of the 10 most-wanted criminals (Henry Silva). Trapped in the manhunt: a nurse (Lynda Day George) held hostage by the wounded fugitive. ||||||
| 71 | 10 | "Blueprint for Betrayal" | William Hale | Sam Ross | December 3, 1967 (1967-12-03) |
| A murder investigation implicates a Communist embassy, leading Erskine to suspect that a spy ring is operating in Washington. ||||||
| 72 | 11 | "False Witness" | Jesse Hibbs | E. Arthur Kean | December 10, 1967 (1967-12-10) |
| As Erskine tries to clear Lynn Hallet (Carol Lynley) of bank robbery, her boyfriend (Pete Duel) plans a theft in which she will play a pivotal role. ||||||
| 73 | 12 | "The Legend of John Rim" | Alvin Ganzer | Andy Lewis | December 31, 1967 (1967-12-31) |
| In a Gulf Coast city, Erskine runs up against a stone wall of prejudice in his pursuit of murderer John Rim (Tom Skerritt). A local hero, Rim enjoys the sanctuary afforded by an impenetrable swamp and townsfolk who refuse to co-operate with the FBI. ||||||
| 74 | 13 | "The Dynasty" | Robert Douglas | Charles Larson & David H. Vowell | January 7, 1968 (1968-01-07) |
| A millionaire (Russell Johnson) refuses to pay the ransom to kidnappers (Edward Asner and Martin Sheen) for his brother, forcing the F.B.I. to move fast in order to save the victim's life. ||||||
| 75 | 14 | "The Daughter" | Robert Day | Paul Schneider | January 14, 1968 (1968-01-14) |
| A long-lost daughter (Julie Sommars) helps the F.B.I. unmask a Communist spy (Michael Rennie) who has taken the identity of a dead American. ||||||
| 76 | 15 | "Act of Violence" | Gene Nelson | Mark Rodgers & Richard Sale | January 21, 1968 (1968-01-21) |
| Two murders, ten years and 3,000 miles apart, put Erskine and Colby on the trail of Cosa Nostra boss John Duquesne (Burt Reynolds). ||||||
| 77 | 16 | "Crisis Ground" | Robert Douglas | Robert Soderberg | January 28, 1968 (1968-01-28) |
| An unsolved homicide ignites a town's hatred for a nearby job training camp into a riot. ||||||
| 78 | 17 | "Ring of Steel" | Jesse Hibbs | Robert I. Holt | February 4, 1968 (1968-02-04) |
| The unexplained death of a race car driver places Erskine on the trail of a stolen car ring. ||||||
| 79 | 18 | "The Homecoming" | Jesse Hibbs | Mel Goldberg | February 11, 1968 (1968-02-11) |
| John Streyer (Richard Kiley), a scientist who'd defected to East Germany 15 years earlier after participating in an espionage ring, has decided to return to the U.S. Two representatives of a nation "unfriendly to the United States" attempt to detain Streyer at JFK International Airport, but he gets away. Assistant Director Arthur Ward, already in New York on FBI business, works in the field with Erskine and Colby on the case. ||||||
| 80 | 19 | "The Phone Call" | George McCowan | David W. Rintels & Gerald Sanford | February 18, 1968 (1968-02-18) |
| An Army sergeant, who had just returned from service in Vietnam, found his wife had died under mysterious circumstances the night before his return. ||||||
| 81 | 20 | "Region of Peril" | Jesse Hibbs | Robert Soderberg | February 25, 1968 (1968-02-25) |
| Erskine sends a secret radio message to a woman (Anne Baxter) who was kidnapped during a house robbery to aid her rescue. ||||||
| 82 | 21 | "Southwind" | George McCowan | Albert Aley & Andy Lewis | March 3, 1968 (1968-03-03) |
| The F.B.I. and a mob hitman both try to catch up with a bank embezzler (Bradford Dillman) who has fled to the Caribbean. ||||||
| 83 | 22 | "The Messenger" | Lewis Allen | Jack Hawn | March 17, 1968 (1968-03-17) |
| During the holdup of a Wall Street brokerage firm, a guard is killed and a messenger (Robert Walker Jr.) with a briefcase is taken hostage; the messenger's life was spared only because he was recognized by one of the robbers as the nephew of a Cosa Nostra crime boss. ||||||
| 84 | 23 | "The Ninth Man" | Jesse Hibbs | Mark Rodgers | March 24, 1968 (1968-03-24) |
| The F.B.I. hunts down a $2,000,000 treasure and the armored car robbers who buried their ill-gotten loot. ||||||
| 85 | 24 | "The Mechanized Accomplice" | Lewis Allen | Norman Jolley & Paul Schneider | March 31, 1968 (1968-03-31) |
| Erskine races a time bomb for the life of a kidnapped youth. ||||||
| 86 | 25 | "The Predators" | Jesse Hibbs | Mark Rodgers | April 7, 1968 (1968-04-07) |
| A vessel has been revamped by the Cosa Nostra into being a cruise ship, with illegal gambling. But the mob is after bigger game: a promising politician is being set up to be blackmailed, so the mob can gain control of a state. Erskine goes undercover as a passenger on the cruise ship. But a member of Cosa Nostra's high commission is also aboard... and he can recognize Erskine. ||||||
| 87 | 26 | "The Tunnel" | Jesse Hibbs | Mark Rodgers | April 21, 1968 (1968-04-21) |
| The F.B.I. goes after bank robbers who use a tunnel to penetrate the vault. ||||||
| 88 | 27 | "The Mercenary" | William Hale | E. Arthur Kean & Palmer Thompson | April 28, 1968 (1968-04-28) |
| Erskine uncovers a Communist spy whose pretty wife is the lure in a plot to acquire top secret information via blackmail. ||||||

### Season 4 (1968–69)

| No. overall | No. in season | Title | Directed by | Written by | Original air date |
| 89 | 1 | "Wind It Up and It Betrays You" | William Hale | Harold Jack Bloom, Charles Larson & Mark Rodgers | September 22, 1968 (1968-09-22) |
| A dead man's hearing aid containing microfilm has the FBI uncovering an espionage ring. ||||||
| 90 | 2 | "Out of Control" | Don Medford | E. Arthur Kean | September 29, 1968 (1968-09-29) |
| Erskine, Colby, and Assistant Director Ward track down an oil field killer. ||||||
| 91 | 3 | "The Quarry" | Robert Day | Robert I. Holt | October 6, 1968 (1968-10-06) |
| Erskine must prevent the murder of syndicate errand boy Mike Riley (Dean Stockwell), who is needed by the FBI to net a bigger fish. ||||||
| 92 | 4 | "The Runaways" | Robert Day | Arthur Heinemann | October 13, 1968 (1968-10-13) |
| A killer (J.D. Cannon) picks for his robbery victims a happy family of four living on a farm. ||||||
| 93 | 5 | "Death of a Fixer" | William Hale | Robert Heverly | October 20, 1968 (1968-10-20) |
| Erskine poses as a vacationer to nab a syndicate captain (Joseph Campanella) at a resort. ||||||
| 94 | 6 | "The Enemies" | Don Medford | Peter Allan Fields | November 3, 1968 (1968-11-03) |
| The FBI follows a trail of blood in the hunt for a deadly Communist spy (Jeffrey Hunter) who's out to steal a top secret rocket fuel. ||||||
| 95 | 7 | "The Nightmare" | Jesse Hibbs | Penrod Smith | November 10, 1968 (1968-11-10) |
| Erskine hunts down a bank embezzler (William Windom), and also tries to protect him from criminals helping in his escape. ||||||
| 96 | 8 | "Breakthrough" | Robert Day | Frank Crow & Jim Byrnes | November 17, 1968 (1968-11-17) |
| Erskine gambles that Vincent Gray (Mark Richman), a marked man in the syndicate, will turn stool pigeon in exchange for FBI protection. ||||||
| 97 | 9 | "The Harvest" | William Hale | Mark Rodgers | November 24, 1968 (1968-11-24) |
| A holdup man's (Burt Brinckerhoff) love for a woman (Diane Baker) forces him into a shootout with a crew of FBI agents. ||||||
| 98 | 10 | "The Intermediary" | Don Medford | John D.F. Black | December 1, 1968 (1968-12-01) |
| Erskine is the go-between for a jeweler (Maurice Evans) seeking the return of stolen diamonds. ||||||
| 99 | 11 | "The Butcher" | Jesse Hibbs | Barry Oringer | December 8, 1968 (1968-12-08) |
| Erskine hunts down a wartime SS colonel (Charles Korvin) who is still promoting Nazi ideals. ||||||
| 100 | 12 | "The Flaw" | Robert Douglas | Paul Schneider | December 15, 1968 (1968-12-15) |
| Erskine snares a spy ring and in turn is trapped by them in a deserted mountain cabin. ||||||
| 101 | 13 | "The Hero" | Gunnar Hellström | John W. Bloch & Charles Larson | December 22, 1968 (1968-12-22) |
| A con man (Chad Everett) wears a US Air Force uniform to entice women to marry him. He then murders or otherwise cheats them. ||||||
| 102 | 14 | "The Widow" | Don Medford | Mark Rodgers | December 29, 1968 (1968-12-29) |
| Erskine traps a go-go dancer (Lynda Day George) who conspires to marry military service men and collects their insurance money when her boyfriend (Glenn Corbett) murders them. ||||||
| 103 | 15 | "Eye of the Storm" | Jesse Hibbs | Don Brinkley | January 5, 1969 (1969-01-05) |
| Erskine and Colby search for a kidnapped African-American baby who is hiding in a plague-infested ghetto. ||||||
| 104 | 16 | "The Fraud" | Robert Day | Michael Fisher | January 12, 1969 (1969-01-12) |
| Erskine fights the Mafia's entry into selling fake masterpiece paintings. ||||||
| 105 | 17 | "A Life in the Balance" | Robert Douglas | Arthur Heinemann | January 19, 1969 (1969-01-19) |
| Blood at the sight of a kidnapping drives Erskine to act immediately without waiting for the ransom payment from the kidnappers (James Caan and Murray Hamilton). ||||||
| 106 | 18 | "Caesar's Wife" | Robert Day | Warren Duff | January 26, 1969 (1969-01-26) |
| Erskine trails a Parisian (Claudine Longet) suspected of using her charms to extract state secrets from a widowed diplomat (Michael Rennie), which raises the suspicions of his son (Harrison Ford). ||||||
| 107 | 19 | "The Patriot" | Robert Day | Mark Rodgers | February 2, 1969 (1969-02-02) |
| As a syndicate kidnapper (James Callahan) dogs his trail, a publisher (Gilbert Roland) declines FBI protection unaware that his best friend is working with the mob. ||||||
| 108 | 20 | "The Maze" | Robert Day | Charles Larson | February 9, 1969 (1969-02-09) |
| In San Diego, a fugitive (Steve Ihnat) dodges G-men and syndicate executioners to avenge the narcotics-induced death of a friend's (Simon Oakland) daughter. ||||||
| 109 | 21 | "The Attorney" | Robert Douglas | Robert Heverly | February 16, 1969 (1969-02-16) |
| The FBI spent five years trying to bring a hood (Linden Chiles) to trial, only to be confronted with a plot to kill the man's defense attorney (Arthur Hill) that's masterminded by a man (Tim O'Connor) who is embittered toward the attorney for declining to defend his condemned son who was later executed. ||||||
| 110 | 22 | "The Catalyst" | Jesse Hibbs | Gerald Sanford | February 23, 1969 (1969-02-23) |
| A hijacked airliner crash lands on its forced flight to Latin American, involving Erskine in a drama of survival with a lady defector (Pilar Seurat). He's escorting her to a congressional hearing in Washington; the hijacker (Alejandro Rey) is a Communist ordered to stop her. ||||||
| 111 | 23 | "Conspiracy of Silence" | Jesse Hibbs | Mark Weingart | March 2, 1969 (1969-03-02) |
| The FBI searches for three missing murder witnesses (James Daly, Gene Tierney and Kent Smith) who are unaware that they're marked for execution by the syndicate. ||||||
| 112 | 24 | "The Young Warriors" | Robert Douglas | Albert Aley | March 9, 1969 (1969-03-09) |
| Murder on an Indian reservation sparks an FBI probe that could ignite an explosion between young braves and encroaching miners. ||||||
| 113 | 25 | "The Cober List" | Jesse Hibbs | John D.F. Black | March 23, 1969 (1969-03-23) |
| A syndicate family is rocked by an internal struggle, providing a crack in mob security that could lead the FBI to a chain of numbers racketeers. ||||||
| 114 | 26 | "Moment of Truth" | Robert Day | Don Brinkley | March 30, 1969 (1969-03-30) |
| A banker (Richard Carlson) runs a loan-sharking ring from his bank, specializing in ripping off ex-servicemen who have been rejected for a normal loan at his bank. The crime that garners the attention of the FBI is the murder of a serviceman on a government reservation who could not pay the outrageous interest on a "loan." ||||||

### Season 5 (1969–70)

| No. overall | No. in season | Title | Directed by | Written by | Original air date |
| 115 | 1 | "Target of Interest" | William Hale | Warren Duff | September 14, 1969 (1969-09-14) |
| Erskine poses as a lovelorn diplomat to provide fresh bait for an extortion ring suspected of having blackmailed a diplomat to suicide. ||||||
| 116 | 2 | "Nightmare Road" | Harvey Hart | Mark Rodgers | September 21, 1969 (1969-09-21) |
| Erskine spearheads a manhunt for a fugitive (Robert Duvall) who gunned down an FBI agent. Caught up in the hunt are an engaged couple with criminal records who were frightened into helping the gunman escape to Mexico. ||||||
| 117 | 3 | "The Swindler" | William Hale | Andy Lewis | September 28, 1969 (1969-09-28) |
| The FBI picks up the trail of a bank cashier's murderer. A man of rare ingenuity and charm, the killer has already begun to involve a lady banker (Vera Miles) in an extraordinary embezzlement scheme. ||||||
| 118 | 4 | "Boomerang" | Gene Nelson | Robert Heverly | October 5, 1969 (1969-10-05) |
| Terry Shelton (Jeff Bridges) fakes his own kidnapping in an attempt to extort money from his hated father (Carl Betz). The plot boomerangs into a knotty case for the FBI when an accomplice makes the abduction real and the elder Shelton insists on handling the ransom drop his own way. ||||||
| 119 | 5 | "Silent Partner" | William Hale | Jack Turley | October 12, 1969 (1969-10-12) |
| A juror who took a Mafia bribe repents too late. With the FBI probing his sudden affluence, Steve Harber (Robert Hooks) falls prey to a blackmailer who saw him take the bribe. Meanwhile, the Mafia begins its deadly work to avoid prosecution. ||||||
| 120 | 6 | "Gamble with Death" | William Hale | Don Brinkley | October 19, 1969 (1969-10-19) |
| An honest man takes a dangerous gamble to clear his imprisoned brother of murder. ||||||
| 121 | 7 | "Flight" | Gene Nelson | John D.F. Black & Robert Heverly | October 26, 1969 (1969-10-26) |
| Erskine urges the hijacker (Tim O'Connor) of a Cuban-bound plane to land immediately to save the life of a wounded passenger (Larry Linville). ||||||
| 122 | 8 | "The Challenge" | Jesse Hibbs | Donald S. Sanford & Mark Weingart | November 2, 1969 (1969-11-02) |
| The unhappy wife (Joanne Linville) of a top-security engineer (Richard Anderson) becomes a dupe in an amorous master spy's (Fritz Weaver) efforts to sabotage a sensitive American industry. ||||||
| 123 | 9 | "Blood Tie" | Virgil W. Vogel | Robert Heverly | November 9, 1969 (1969-11-09) |
| On the run from the FBI, Ricky Kriton (Scott Marlowe) takes shelter with his brother, a staid businessman ignorant of Ricky's criminal past. ||||||
| 124 | 10 | "The Sanctuary" | Jesse Hibbs | Anthony Spinner | November 16, 1969 (1969-11-16) |
| FBI agent Harry Dane (Booker Bradshaw) leads a treacherous ghetto search for an ex-football star (Billy Dee Williams) wanted for robbery and murder. ||||||
| 125 | 11 | "Scapegoat" | Don Medford | Robert Heverly & Edward J. Lakso | November 23, 1969 (1969-11-23) |
| A young woman is killed on U.S. government property. The M.O. is identical to an earlier crime — except a man (Harrison Ford) was arrested and convicted of that crime. Erskine and Colby investigate whether the wrong man was convicted in the earlier death. ||||||
| 126 | 12 | "The Inside Man" | Gene Nelson | Norman Hudis & Mark Weingart | November 30, 1969 (1969-11-30) |
| Erskine and Colby uncover the "inside man" (Lloyd Bochner) in a series of jewelry heists from New York City's diamond district. ||||||
| 127 | 13 | "The Prey" | Jesse Hibbs | Don Brinkley | December 7, 1969 (1969-12-07) |
| One of the FBI's most wanted men (Steve Ihnat) uses a beautiful nurse (Joanna Moore) as his accomplice in a cruel con game aimed at the elderly and infirm. She draws a bead on her patients' assets — then he strikes. ||||||
| 128 | 14 | "Journey Into Night" | Virgil W. Vogel | Robert Heverly | December 14, 1969 (1969-12-14) |
| Escaped federal prisoner David Starret (John Vernon) kidnaps his own son from the son's foster parents in Albany and takes him to Texas. ||||||
| 129 | 15 | "The Doll Courier" | Herschel Daugherty | Gerald Sanford | December 21, 1969 (1969-12-21) |
| The FBI goes after Communist agents who use the head of a porcelain doll to transport top secret microfilm. ||||||
| 130 | 16 | "Tug-of-War" | Don Medford | Anthony Spinner & Mark Weingart | December 28, 1969 (1969-12-28) |
| The murder of a stockbroker unearths a new syndicate enterprise: using certificates, extorted from stockbrokers, as collateral for large bank loans. ||||||
| 131 | 17 | "Fatal Impostor" | Jesse Hibbs | Anthony Spinner | January 4, 1970 (1970-01-04) |
| A tense chase begins when widow Anne Williams (Mary Fickett) and her son (David Cassidy) are taken hostage by a fugitive. ||||||
| 132 | 18 | "Conspiracy of Corruption" | Don Medford | Mark Rodgers | January 11, 1970 (1970-01-11) |
| A sheriff (James Olson) is Erskine's chief suspect in a shooting linked to the illegal transportation of foreign laborers. ||||||
| 133 | 19 | "The Diamond Millstone" | Robert Douglas | Robert Heverly | January 18, 1970 (1970-01-18) |
| Big-time fences and gem cutters are put under surveillance after the theft of a 33-carat diamond. The well-laid plan goes haywire at a crucial rendezvous: the fence is captured, but the thief (Jack Klugman) and the gem get away. ||||||
| 134 | 20 | "Deadly Reunion" | Jesse Hibbs | Warren Duff | January 25, 1970 (1970-01-25) |
| Matt Bernhardt is a member of a spy ring under investigation, and when he is apprehended his nephew is wounded. Erskine goes undercover as the nephew and his investigation leads him to West Berlin and a plot to get the ringleader's wife out of East Berlin. ||||||
| 135 | 21 | "Pressure Point" | Don Medford | Peter Allan Fields & Robert Heverly | February 1, 1970 (1970-02-01) |
| An up-and-coming gambling operator (Fred Beir) works himself into a dangerous bind between his syndicate protectors and the FBI. ||||||
| 136 | 22 | "Summer Terror" | Michael O'Herlihy | Gerald Sanford & Mark Weingart | February 8, 1970 (1970-02-08) |
| With the FBI far behind, a kidnap victim has only one hope: one of the abductors (Mark Jenkins) is growing fond of her. ||||||
| 137 | 23 | "Return to Power" | Don Medford | Mark Rodgers | February 15, 1970 (1970-02-15) |
| Erskine capitalizes on a blood feud between half-brothers (Christopher George and Mark Richman) to lead him to secret Mafia financial records. ||||||
| 138 | 24 | "The Dealer" | Jesse Hibbs | Don Brinkley & Robert Heverly | February 22, 1970 (1970-02-22) |
| Erskine goes undercover driving big rigs to obtain evidence against an interstate hijacking ring. Colby also goes undercover as a shipping clerk; he is injured in the line of duty when an ex-con reveals that Colby was not a convict. ||||||
| 139 | 25 | "Deadfall" | Don Medford | Robert Heverly | March 1, 1970 (1970-03-01) |
| False leads hamper the FBI's search for Mary Cochella (Zohra Lampert), the kidnapped wife of a sports-arena cashier. ||||||
| 140 | 26 | "The Quest" | Philip Abbott | Mark Weingart | March 8, 1970 (1970-03-08) |
| Walker Carr (Earl Holliman), who allegedly murdered his wife, escapes from a hospital for the criminally insane, convinced that she's alive. Carr has no memory of the crime, a body was never found, and even Erskine doubts Carr's guilt as the manhunt quickens. ||||||

### Season 6 (1970–71)

| No. overall | No. in season | Title | Directed by | Written by | Original air date |
| 141 | 1 | "The Condemned" | Virgil W. Vogel | Robert Heverly | September 20, 1970 (1970-09-20) |
| Erskine and Colby pursue two Philadelphia bank robbers (Martin Sheen and Tim McIntyre) across the country. ||||||
| 142 | 2 | "The Traitor" | William Hale | Gerald Sanford | September 27, 1970 (1970-09-27) |
| After a portion of a top-secret formula is found concealed on the body of a technical publication editor for a major research firm who died in an elevator accident, Erskine searches for evidence of espionage and discovers an employee (Bradford Dillman) has accepted money from a traitor (Wayne Rogers) ||||||
| 143 | 3 | "Escape to Terror" | William Hale | Don Brinkley | October 4, 1970 (1970-10-04) |
| A fugitive (James Olson) who jumps bail after being indicted for fraud, but the plan goes wrong when his pregnant wife runs into trouble and the Mafia wants his cousin's husband (Harry Guardino) to kill him. ||||||
| 144 | 4 | "The Architect" | Virgil W. Vogel | Story by : Jonathan Box Teleplay by : Robert Heverly | October 11, 1970 (1970-10-11) |
| Three prisoners (Monte Markham, Billy Dee Williams and Dabbs Greer) escape the bus en route to the prison, with the trio plotting to rob a Miami bank that could kill innocent people. ||||||
| 145 | 5 | "The Savage Wilderness" | Virgil W. Vogel | Robert Malcolm Young | October 18, 1970 (1970-10-18) |
| A teenage girl (Darleen Carr) is kidnapped and taken by a mentally disturbed man (Don Stroud) into the California National Forest Preserve. ||||||
| 146 | 6 | "Time Bomb" | Virgil W. Vogel | Robert Malcolm Young | October 25, 1970 (1970-10-25) |
| The plan of young revolutionaries to set off a bomb in a crowded courthouse results in a frantic search by the FBI. ||||||
| 147 | 7 | "The Innocents" | Gene Nelson | Pat Riddle | November 1, 1970 (1970-11-01) |
| A seven-year-old boy is kidnapped and held for ransom by an emotionally unstable woman (Lois Nettleton) and her alcoholic husband (Larry Blyden). ||||||
| 148 | 8 | "The Deadly Pact" | Virgil W. Vogel | Robert Heverly | November 8, 1970 (1970-11-08) |
| Loan sharks that are backed by a Mafia figure (Robert Loggia) are out to take over companies in an African-American section of Los Angeles. ||||||
| 149 | 9 | "The Impersonator" | William Hale | Don Brinkley | November 22, 1970 (1970-11-22) |
| A suave ex-convict (Stewart Granger) who preys on wealthy, lonely women has proposed marriage to a young widow (Mariette Hartley) while he's the target of an FBI manhunt. ||||||
| 150 | 10 | "Antennae of Death" | Virgil W. Vogel | Robert Heverly | November 29, 1970 (1970-11-29) |
| A major crime syndicate is under investigation for moving large shipments of heroin across the United States border, but a rogue operator (William Shatner) with his own drug problem hijacks a payment. ||||||
| 151 | 11 | "The Target" | William Hale | Gerald Sanford | December 6, 1970 (1970-12-06) |
| A foreign agent (Eric Braeden) enters the United States to abduct the daughter of a top Communist minister who has defected to Western Europe. ||||||
| 152 | 12 | "The Witness" | William Hale | Mark Rodgers | December 13, 1970 (1970-12-13) |
| The spoiled son (Don Grady) of a wealthy businessman (Murray Hamilton) is being used by a crime syndicate after he inadvertently causes severe injuries to a soldier. ||||||
| 153 | 13 | "Incident in the Desert" | Bernard McEveety | Mark Weingart | December 20, 1970 (1970-12-20) |
| A gang of jewel thieves heads to a New Mexico hideout after robbing a wealthy Texan and his guests during a party. ||||||
| 154 | 14 | "The Inheritors" | Jesse Hibbs | Alvin Sapinsley | December 27, 1970 (1970-12-27) |
| An embezzler (Ray Danton) and his beautiful accomplice (Suzanne Pleshette) head to California wine country in order to fleece an aging millionaire wine grower (Gene Raymond), with the wine grower's son (Larry Linville) suspicious of the woman's relationship with his father. ||||||
| 155 | 15 | "The Unknown Victim" | William Hale | Mark Weingart | January 3, 1971 (1971-01-03) |
| Kidnappers abduct a girl that they mistakenly believe is a wealthy heiress. ||||||
| 156 | 16 | "The Stalking Horse" | Nicholas Webster | Jack Turley | January 10, 1971 (1971-01-10) |
| An executive (Steve Forrest) of a major research group that's working on top-secret government projects becomes involved with an espionage ring. ||||||
| 157 | 17 | "Center of Peril" | Carl Barth | Robert Malcolm Young | January 17, 1971 (1971-01-17) |
| Erskine poses as an art expert to penetrate a gang of thieves (Vic Morrow, Gary Collins, Susan Howard) that are attempting to sell a million-dollar painting back to the museum from where it was stolen. ||||||
| 158 | 18 | "The Eye of the Needle" | Virgil W. Vogel | Robert Heverly | January 24, 1971 (1971-01-24) |
| The abduction of a surgeon (Richard Kiley) by extortionists leads to a search through Washington's Cascade Mountains. ||||||
| 159 | 19 | "The Fatal Connection" | Nicholas Webster | Ed Waters | January 31, 1971 (1971-01-31) |
| The FBI seeks to discover the identity of a crime lord (Dana Elcar) who ordered the murder of a crusading newspaper columnist (Andrew Duggan). ||||||
| 160 | 20 | "The Replacement" | Philip Abbott | Gerald Sanford | February 7, 1971 (1971-02-07) |
| Erskine goes undercover to pose as a Communist agent who's entered the country to replace an important American-based spy (Phyllis Thaxter). ||||||
| 161 | 21 | "Death Watch" | Robert Douglas | Robert Heverly | February 14, 1971 (1971-02-14) |
| A gang that's selling stolen military weapons to extremist groups is the focus of an intense FBI investigation, with the leader of the gang (Glenn Corbett) forced to deal with his girlfriend (Diane Keaton), who's against his motives. ||||||
| 162 | 22 | "Downfall" | Virgil W. Vogel | Story by : Shirl Hendryx Teleplay by : Robert Heverly & Shirl Hendryx | February 21, 1971 (1971-02-21) |
| A former college athlete (Michael Burns) uses daredevil tactics to steal gems for a crooked jeweler (Carl Betz), while also secretly dating the jeweler's daughter (Anne Archer). ||||||
| 163 | 23 | "The Hitchhiker" | Virgil W. Vogel | Mark Rodgers | February 28, 1971 (1971-02-28) |
| An AWOL Army private (Michael Douglas) uses a pair of hippies (Donna Mills and Richard Kelton) as decoys after robbing a bank. ||||||
| 164 | 24 | "Turnabout" | Robert Douglas | Don Brinkley | March 7, 1971 (1971-03-07) |
| The only survivor of a half-million dollar robbery (Warren Oates) that was engineered by a crime syndicate is the focus of an FBI manhunt. ||||||
| 165 | 25 | "The Natural" | Vigil W. Vogel | Story by : Norman Jolley Teleplay by : Ed Waters | March 14, 1971 (1971-03-14) |
| The bribery of college basketball players by a New York crime syndicate is investigated. ||||||
| 166 | 26 | "Three-Way Split" | Philip Abbott | Gerald Sanford | March 21, 1971 (1971-03-21) |
| The FBI attempts to find three criminals (Peter Haskell, Albert Salmi and Richard O'Brien) who went their separate ways after splitting nearly $1 million from a Denver bank robbery. ||||||

### Season 7 (1971–72)

| No. overall | No. in season | Title | Directed by | Written by | Original air date |
| 166 | 1 | "Death on Sunday" | Virgil W. Vogel | Mark Weingart | September 12, 1971 (1971-09-12) |
| A professional football player (Frank Converse) who's being victimized by extortionists (Andrew Prine and Solomon Sturges) seeks the help of the FBI. ||||||
| 167 | 2 | "Recurring Nightmare" | Virgil W. Vogel | Robert Lewin | September 19, 1971 (1971-09-19) |
| The abduction of an 18-year-old girl (Belinda Montgomery) leads to the discovery that she had been with her father 10 years before when he was killed after hiding $400,000 from a payroll robbery. The abductors turn out to be her father's partner in the crime (Ralph Meeker) and the partner's cellmate (Tim McIntire). ||||||
| 168 | 3 | "The Last Job" | Virgil W. Vogel | Robert Heverly | September 26, 1971 (1971-09-26) |
| A prison escapee is intent on planning a military payroll robbery. ||||||
| 169 | 4 | "The Deadly Gift" | Philip Abbott | Ben Masselink | October 3, 1971 (1971-10-03) |
| A con artist (Fritz Weaver), in concert with a scheming assistant (Joan Van Ark) attempts to bilk $100,000 out of a widow (Dana Wynter) who convinces her that her missing son is still alive. ||||||
| 170 | 5 | "Dynasty of Hate" | Virgil W. Vogel | Robert Heverly | October 10, 1971 (1971-10-10) |
| A wealthy rancher's son (Earl Holliman) hires a hit man (Henry Silva) to kill his younger brother in order to have the family inheritance all to himself, but the hired killer instead decides to hold the younger son for ransom. ||||||
| 171 | 6 | "The Mastermind: Part 1" | Virgil W. Vogel | Robert Heverly | October 17, 1971 (1971-10-17) |
| A traveling salesman (Bradford Dillman) masterminds the robbery of $1.8 million from an amusement park by four men disguised as entertainers, but then doublecrosses his cronies (Steve Ihnat, Scott Marlowe and Clu Gulager) by fleeing with the money. ||||||
| 172 | 7 | "The Mastermind: Part 2" | Virgil W. Vogel | Robert Heverly | October 24, 1971 (1971-10-24) |
| The race to find a thief who cheated members of his gang out of money from a robbery takes place between the disgruntled cronies and the FBI, with the thief having resumed his everyday job. ||||||
| 173 | 8 | "The Watch-Dog" | Allen Reisner | Gerald Sandford | October 31, 1971 (1971-10-31) |
| Foreign agents make a concerted effort to steal plans to a top-secret project, with one (Stuart Whitman) using a former flame which results in Erskine and the FBI entering the case. ||||||
| 174 | 9 | "The Game of Terror" | Ralph Senensky | Robert Malcolm Young | November 7, 1971 (1971-11-07) |
| Two prep school students lock a fellow classmate in a deserted mine shaft and demand a ransom for his safe return. ||||||
| 175 | 10 | "End of a Hero" | Ralph Senensky | Ed Waters | November 21, 1971 (1971-11-21) |
| A former war hero (Ed Nelson) agrees to pilot a getaway helicopter to aid in a robbery gang's quick escape. ||||||
| 176 | 11 | "Superstition Rock" | Seymour Robbie | Mark Rogers | November 28, 1971 (1971-11-28) |
| The investigation into the attempted murder of an Indian Affairs agent uncovers the fact that the agent was on the verge of discovering the identities of the people (Dana Elcar, Wayne Rogers and Lou Antonio) responsible for a series of mine accidents. ||||||
| 177 | 12 | "The Minerva Tapes" | Michael O'Herlihy | Warren Duff | December 5, 1971 (1971-12-05) |
| Erskine infiltrates an espionage network and ends up getting caught in the middle of a power struggle. ||||||
| 178 | 13 | "Bitter Harbor" | Virgil W. Vogel | Story by : Ron Bishop Teleplay by : Robert Heverly & Ron Bishop | December 12, 1971 (1971-12-12) |
| An attempt by an organized crime leader (Cameron Mitchell) to take over a fisherman's union involves providing money to the union's leader (Joseph Wiseman) and results in the FBI stepping in to put an end to the threat. ||||||
| 179 | 14 | "The Recruiter" | Virgil W. Vogel | Robert C. Dennis | December 19, 1971 (1971-12-19) |
| A fugitive (Monte Markham) who is already being sought in connection with a bank robbery sets out to plan one more caper before he leaves the country, but decides to try rekindling a relationship with an old flame (Jessica Walter). ||||||
| 180 | 15 | "The Buyer" | Carl Barth | Ed Waters | January 2, 1972 (1972-01-02) |
| Erskine goes undercover to serve as a representative of a fence (Leon Askin) who is contacted by a gang (Tim O'Connor, David Hedison and Stefanie Powers) that stole $1 million worth of platinum. ||||||
| 181 | 16 | "A Second Life" | Ralph Senensky | Dick Nelson | January 9, 1972 (1972-01-09) |
| A hired killer (Martin Sheen) is being sought by both the FBI and the organized crime boss (John Sylvester White) that is seeking to murder him for messing up an assignment. However, while hiding out, he finds love with a pregnant, hippie artist (Meg Foster) ||||||
| 182 | 17 | "The Break-Up" | Virgil W. Vogel | Ed Waters | January 16, 1972 (1972-01-16) |
| A bank robber who's attempting to go straight is prodded by his wife (Donna Mills) to attempt one more big job on their behalf by a fence (Charles Cioffi). ||||||
| 183 | 18 | "Judas Goat" | Virgil W. Vogel | Robert Malcolm Young | January 23, 1972 (1972-01-23) |
| The purchase of a singer's (John Davidson) contract by an organized crime loan shark (Linden Chiles) draws the attention of Erskine and the FBI. ||||||
| 184 | 19 | "The Hunters" | Virgil W. Vogel | Mark Rodgers | January 30, 1972 (1972-01-30) |
| A scientist (Richard Kiley) who happens to be carrying vital defense secrets is the subject of a dual manhunt by the FBI and foreign agents. ||||||
| 185 | 20 | "Arrangement with Terror" | Ralph Senensky | Ed Waters | February 6, 1972 (1972-02-06) |
| The theft of securities from a brokerage office by the wife (Diana Hyland) of a heroin-addicted architect becomes a bigger concern when the involvement of organized crime comes to light. ||||||
| 186 | 21 | "The Set-Up" | Seymour Robbie | Robert Heverly | February 13, 1972 (1972-02-13) |
| In the midst of a search for the leader of a gang that pulled off a bank robbery, the man plots to rob and kill a wealthy aristocrat (Jessica Tandy). ||||||
| 187 | 22 | "The Test" | Michael O'Herlihy | Mark Weingart | February 20, 1972 (1972-02-20) |
| A young man (Robert Foxworth) who sets out to pay the ransom for his kidnapped father (Harold Gould) is the subject of surveillance by Erskine. ||||||
| 188 | 23 | "The Corruptor" | Virgil W. Vogel | Robert Heverly | February 27, 1972 (1972-02-27) |
| A man (Robert Drivas) who is en route to a mysterious destination across the country is on a crime spree along the way. ||||||
| 189 | 24 | "The Deadly Species" | Ralph Senensky | Dick Nelson | March 5, 1972 (1972-03-05) |
| In order finance an effort to steal away her eight-year-old son (Leif Garrett) from her ex-husband, a woman (Penny Fuller) pulls a string of robberies. ||||||
| 190 | 25 | "Dark Journey" | Philip Abbott | Gerald Sanford | March 12, 1972 (1972-03-12) |
| A con man (Claude Akins), with the help of his daughter (Lindsay Wagner), impersonates a famous "invisible" tycoon in order to sell stock in a fake company. However, his smooth talk comes back to haunt him when a loan shark (Vic Tayback) forces him to set up the robbery of an illegal casino. ||||||
| 191 | 26 | "Escape to Nowhere" | Virgil W. Vogel | Ed Waters | March 19, 1972 (1972-03-19) |
| While searching for escaped convict Mike Durgom (John Vernon), who's taken a widow (Diana Muldaur) and her young son (Lee Montgomery) hostage, Erskine discovers that an organized crime boss has put out a contract to have Durgom killed in order to prevent him from giving testimony at a trial. ||||||

### Season 8 (1972–73)

| No. overall | No. in season | Title | Directed by | Written by | Original air date |
| 193 | 1 | "The Runner" | Lawrence Dobkin | Jack Turley | September 17, 1972 (1972-09-17) |
| While being pursued by the FBI, an escaped prisoner kidnaps a woman and takes her into the vast Oregon wilderness. ||||||
| 194 | 2 | "The Edge of Desperation" | Arnold Laven | Mark Weingart | September 24, 1972 (1972-09-24) |
| A businessman masterminds his own kidnapping and uses the ransom money obtained from his father-in-law to flee with his mistress to New York. ||||||
| 195 | 3 | "The Fatal Showdown" | Virgil W. Vogel | Ed Waters | October 1, 1972 (1972-10-01) |
| The heist of a valuable statue from a Manhattan art auction puts the FBI in pursuit of Ken Meade and his gang. ||||||
| 196 | 4 | "The Franklin Papers" | Virgil W. Vogel | Ben Masselink | October 8, 1972 (1972-10-08) |
| Con artist Christine Minton and her accomplice attempt to sell an amateur historian some forged documents. ||||||
| 197 | 5 | "The Gopher" | Virgil W. Vogel | Calvin Clements, Jr. | October 15, 1972 (1972-10-15) |
| To crack a loan shark operation, the FBI sets out to find who stole a key book containing the borrower's names. ||||||
| 198 | 6 | "End of a Nightmare" | Earl Bellamy | Gerald Sanford | October 22, 1972 (1972-10-22) |
| Escaped prisoner Darryl Ryder seeks to exact revenge on the people that were responsible for the annulment of his marriage. ||||||
| 199 | 7 | "The Engineer" | Philip Abbott | Norman Lessing | October 29, 1972 (1972-10-29) |
| An unemployed aerospace engineer (Ed Nelson) plots a $3 million robbery. ||||||
| 200 | 8 | "A Game of Chess" | Philip Leacock | Mark Weingart | November 5, 1972 (1972-11-05) |
| Erskine impersonates a blind foreign scientist in an attempt to recover stolen American plans. ||||||
| 201 | 9 | "The Wizard" | Walter Grauman | Robert W. Lenski | November 12, 1972 (1972-11-12) |
| A bank employee (Ross Martin) embezzles funds with the idea of using it to fund a much bigger heist of $3 million. ||||||
| 202 | 10 | "The Loner" | Virgil W. Vogel | Mark Rodgers | November 19, 1972 (1972-11-19) |
| The FBI is pursuing John Morgan, who's pulled off a series of bank holdups by himself. However, along the way, Morgan runs afoul of a small-town racketeer. ||||||
| 203 | 11 | "Canyon of No Return" | Virgil W. Vogel | Robert Heverly | November 26, 1972 (1972-11-26) |
| Erskine attempts to catch up with a raft containing two holdup men and their hostages. The group is headed down the Rogue River toward a deadly waterfall. ||||||
| 204 | 12 | "Holiday with Terror" | Carl Barth | Robert Malcom Young | December 3, 1972 (1972-12-03) |
| 18-year-old Karen Collins goes away with two new friends on a vacation, unaware that they're demanding a ransom for her safe return. ||||||
| 205 | 13 | "The Jug Marker" | Virgil W. Vogel | Robert Heverly | December 10, 1972 (1972-12-10) |
| During the investigation of a bank robbery, the FBI is able to get a lead on Elias Devon, a smooth operator who plots crimes. ||||||
| 206 | 14 | "The Outcast" | Virgil W. Vogel | Arthur Dales | December 17, 1972 (1972-12-17) |
| Paul Prentiss is a hijacker who's plotting one more big job before he leaves the United States for good. In the meantime, he's being pursued by Erskine. ||||||
| 207 | 15 | "Dark Christmas" | Virgil W. Vogel | Robert Heverley | December 24, 1972 (1972-12-24) |
| A hired killer, Stuart Tilden, takes a family hostage on Christmas Eve as he waits for the return of his intended victim. ||||||
| 208 | 16 | "The Rap Taker" | Virgil W. Vogel | Dick Nelson | January 7, 1973 (1973-01-07) |
| After a crime boss commits assault, he pays a young man to admit to the offense, which results in the FBI searching for a witness to the crime. ||||||
| 209 | 17 | "A Gathering of Sharks" | Earl Bellamy | Mark Weingart | January 14, 1973 (1973-01-14) |
| A couple (David Hedison and Jessica Walter) steal a valuable diamond and then try to re-sell it back to the owner. Erskine, going undercover as a golf pro, serves as the go-between in the proposed transaction. ||||||
| 210 | 18 | "The Disinherited" | Virgil W. Vogel | Robert Heverly | January 21, 1973 (1973-01-21) |
| A young man (Martin Sheen) believes that he should inherit an oil millionaire's wealth and commits extortion and attempted murder in order to try and make it happen. ||||||
| 211 | 19 | "Desperate Journey" | Earl Bellamy | Calvin Clements | January 28, 1973 (1973-01-28) |
| John Stahl (Vic Morrow) is an escaped prisoner who's being pursued by Erskine through rugged wilderness territory, ||||||
| 212 | 20 | "The Double Play" | Seymour Robbie | Ed Waters | February 4, 1973 (1973-02-04) |
| Two con men are attempting to fleece a young record industry tycoon, with Erskine and the FBI in hot pursuit of the duo. ||||||
| 213 | 21 | "The Wedding Gift" | Arnold Laven | Dick Nelson | February 11, 1973 (1973-02-11) |
| A mother (Penny Fuller) with a 12-year-old daughter (Erin Moran) who has been masterminding robberies meets a man (John Ericson) and seeks to give up her past life. ||||||
| 214 | 22 | "The Detonator" | Seymour Robbie | Calvin Clements | February 25, 1973 (1973-02-25) |
| A prosecutor is marked for death, with Erskine tasked with finding the hit man who seeks to kill him. ||||||
| 215 | 23 | "Sweet Evil" | Philip Leacock | Mark Weingart | March 4, 1973 (1973-03-04) |
| In the aftermath of a robbery, a pair of thieves (Andrew Prine and Melissa Murphy) go visit the woman's sister, who convinces them to take her along. The younger sister then evolves into a vicious criminal. ||||||
| 216 | 24 | "Memory of a Legend" | Seymour Robbie | Calvin Clements, Jr. | March 11, 1973 (1973-03-11) |
| A retired safecracker (Pat Hingle) goes to visit his son and ends up getting talked into undertaking one last job. ||||||
| 217 | 25 | "Night of the Long Knives" | Robert Douglas | Robert Heverly | March 25, 1973 (1973-03-25) |
| Erskine goes undercover as the caterer for the wedding of the daughter of a crime boss after rumors surface that a series of killings within an organized crime family are planned. ||||||
| 218 | 26 | "The Loper Gambit" | Philip Abbott | Robert Malcom Young | April 1, 1973 (1973-04-01) |
| The son of a wealthy realtor is kidnapped and held in a deserted fort in the Florida Keys by a group led by a demented egomaniac. Soon after, a woman in the group begins to suspect that the leader plans on killing the victim. ||||||

### Season 9 (1973–74)

| No. overall | No. in season | Title | Directed by | Written by | Original air date |
| 219 | 1 | "The Big Job" | Don Medford | Robert Malcolm Young | September 16, 1973 (1973-09-16) |
| The FBI enlists the help of a computer to turn up suspects in a precise multi-million dollar robbery of an armored car firm. ||||||
| 220 | 2 | "The Confession" | Don Medford | Jack Turley | September 30, 1973 (1973-09-30) |
| The manager (Hal Linden) of singing star Darlene Clark (Nancy Wilson) blames her for the death of his son and kidnaps her daughter in retaliation. (Frank Bonner and Tom Selleck also appear in minor roles.) ||||||
| 221 | 3 | "Break-In" | Marc Daniels | Norman Lessing | October 7, 1973 (1973-10-07) |
| Escaped convict Harlan Slade (Jackie Cooper) is the object of an FBI manhunt, with Erskine receiving a tip that he's planning a bank robbery. ||||||
| 222 | 4 | "The Pay-off" | Virgil W. Vogel | Calvin Clements | October 14, 1973 (1973-10-14) |
| Frank Rodman (Earl Holliman), who was bribed by organized crime to keep quiet about a shooting, is being sought by both the FBI and the mob. In the latter case, they plan on killing him to ensure his silence. ||||||
| 223 | 5 | "The Exchange" | Marc Daniels | Robert C. Dennis | October 21, 1973 (1973-10-21) |
| Erskine poses as the head cashier of a race track who's been implicated in a robbery in order to set a trap for the thieves. ||||||
| 224 | 6 | "Tower of Terror" | Don Medford | Jackson Gillis | October 28, 1973 (1973-10-28) |
| After a man plants a powerful bomb in an office building, Erskine has 31 hours to try and find where he placed it before it detonates. ||||||
| 225 | 7 | "Fatal Reunion" | William Wiard | Mark Rodgers | November 4, 1973 (1973-11-04) |
| With Erskine in pursuit, a bank robber (Ed Nelson) returns to the hometown where he was a football star and glamour boy and where he rekindles a romance with his high school sweetheart (Susan Oliver). ||||||
| 226 | 8 | "Rules of the Game" | Don Medford | Ed Waters | November 18, 1973 (1973-11-18) |
| The son of an organized crime leader attempts to kill a federal witness against the father, causing the FBI to conduct a manhunt for him. ||||||
| 227 | 9 | "Fool's Gold" | William Wiard | Robert W. Lenski | November 25, 1973 (1973-11-25) |
| Nick Parrish (Lou Antonio) steals a valuable religious cross, but then loses possession of it to ex-convict Edward Hudson (Leslie Nielsen). ||||||
| 228 | 10 | "The Killing Truth" | Lawrence Dobkin | Irving Pearlberg | December 9, 1973 (1973-12-09) |
| Intent on revenge against Judge Nelson Harper (Lloyd Nolan), Joe Holloway fail on his first attempt but plans on trying again. ||||||
| 229 | 11 | "The Bought Jury" | Alexander Singer | Barry Oringer | December 16, 1973 (1973-12-16) |
| When the trial of organized crime figure Mario Dracas results in a hung jury, Erskine investigates threats that were made against jurors. ||||||
| 230 | 12 | "Ransom" | Earl Bellamy | Ed Waters | December 30, 1973 (1973-12-30) |
| Erskine suspects that kidnapped college student Tish Lemaire is actually colluding with her captors to get back at her stepmother (Anne Francis) ||||||
| 231 | 13 | "A Piece of the Action" | Don Medford | Ed Waters | January 6, 1974 (1974-01-06) |
| Organized crime has infiltrated a trucking company, which subsequently leads to a series of hijackings. ||||||
| 232 | 14 | "Selkirk's War" | Walter Grauman | S.S. Schweitzer | January 27, 1974 (1974-01-27) |
| An embittered ex-Army officer helps two men break out of the stockade in order to help him rob both a bank and an Army payroll convoy. ||||||
| 233 | 15 | "The Betrayal" | William Wiard | S.S. Schweitzer | February 3, 1974 (1974-02-03) |
| Erskine searches for an escaped prisoner in order to not only save him from revenge-minded organized crime members, but also in an effort to get him to become an informant. ||||||
| 234 | 16 | "The Animal" | Walter Grauman | not shown in credits | February 17, 1974 (1974-02-17) |
| The FBI searches for Ben Sillman (Gary Lockwood), a deranged enforcer for organized crime, before he's able to use his connections to get safely out of the country. ||||||
| 235 | 17 | "The Two Million Dollar Hit" | Robert Douglas | Calvin Clements, Jr. | February 24, 1974 (1974-02-24) |
| A plane that's carrying $2 million in travelers' checks is hijacked by a gang. ||||||
| 236 | 18 | "Diamond Run" | Michael Caffey | Arthur Weingarten | March 10, 1974 (1974-03-10) |
| After Frank Danzer steals a fortune in diamonds, he's pursued by not only Erskine, but Gustave Becker (Eric Braeden), a ruthless mercenary that's employed by the diamond company. ||||||
| 237 | 19 | "Deadly Ambition" | Don Medford | Robert W. Lenski | March 17, 1974 (1974-03-17) |
| After pulling off an armored car robbery, Ernie Cahn (Harvey Keitel) is the object of pursuit by both the FBI and organized crime. Also guest starred Gerald McRaney. ||||||
| 238 | 20 | "The Lost Man" | William Wiard | Judy Burns | March 24, 1974 (1974-03-24) |
| An escaped convict, Greg Davidson (Robert Foxworth), abducts his former partner in a blackmail scheme, Mason Hammond (Don Porter). ||||||
| 239 | 21 | "The Vendetta" | Virgil W. Vogel | Richard H. Landau | April 7, 1974 (1974-04-07) |
| A former crime boss, Rudy Keppler (John Vernon), is lured back from his hideout in Haiti by his former girlfriend (Joan Van Ark), who's helping set up his execution by three of his former lieutenants. ||||||
| 240 | 22 | "Confessions of a Madman" | Philip Abbott | Richard H. Landau | April 14, 1974 (1974-04-14) |
| Erskine investigates the attempted murder of a college student, with the main suspects being the woman's college professor (Daniel J. Travanti) and an aide to a swimming coach (Robert Pine). ||||||
| 241 | 23 | "Survival" | Seymour Robbie | Irving Pearlberg | April 28, 1974 (1974-04-28) |
| Trying to get the seriously injured Chris Daniels to a doctor while in the rugged Arizona wilderness, Erskine is forced to contend with an escape-bent prisoner (Jon Cypher) and a mysterious woman (Julie Gregg). ||||||