The ringleader of a gang of jewel thieves (Barbara McNair) falls for Barney.
The IMF must make a thief (Ed Nelson) believe he is clairvoyant as part of a scheme to recover $5 million in stolen artworks.
To win the trust of a terrorist leader (Dean Stockwell), the IMF poses as a powerful terror group which wants to join forces.
Casey poses as a dealer's drug-using daughter to recover three tons of illegal amphetamines; guest Claude Akins.
Casey poses as a magazine writer to get close to the operations of a fight promoter (William Windom) affiliated with the mob.
The IMF team sets out to convince a highly placed underworld figure (George Maharis) he's found the secret of eternal youth.
Only an IMF agent (Elizabeth Ashley) can learn whether a spy (Gary Lockwood) is truly defecting to the West.
Both the IMF and the underworld pursue a crime lord's wife who stole her husband's syndicate records after having him killed.
The IMF draws a superstitious criminal (Kim Hunter) into a voodoo ritual to learn the location of a hidden fortune in gold.
Casey and Phelps infiltrate the operations of a crime kingpin (Roddy McDowall) planning to launch a plan worth $100 million.
To trap an ingenius criminal and his boss, the IMF team must convince a man (Alex Cord) he is going insane.
Barney, Casey and Willy must deliver an incriminating letter to a mobster to save kidnapped Phelps. Directed by Peter Graves.
Phelps and Mimi pose as fugitives to break into the home of a nuclear scientist threatening to detonate a huge hydrogen bomb.
Phelps poses as a government agent who works with a corrupt district attorney (Robert Reed) to trap a crime boss.
The IMF agents pose as filmmakers producing a movie about an unsolved murder to prevent syndicate takeover of a film studio.
The IMF loses Phelps' trail after he infiltrates a gang which brainwashes, robs and abducts wanted men.
Mimi poses as a waitress to lure a drug dealer (William Shatner) in a plan to snatch a cocaine shipment.
The IMF convinces a traitorous agent he has been exposed to a biological weapon to help locate a terrorist ring.
To free an undercover agent, the IMF must convince a mob boss (Robert Goulet) his late wife had an affair with a rival.
Phelps and Barney pose as foreign military officials to find $5 million earmarked to finance a coup.
The IMF dupes a scientist (Vic Morrow) who stole plutonium into thinking he is a prisoner in the year 2000.
With Barney's electronic help, Phelps poses as a pool hustler to break a gambling operation; guest Robert Conrad.
Plans to rescue amnesiac Phelps from smugglers go awry when he fails to cooperate; guest Bert Convy.
The IMF is sent to gather sufficient evidence on a former hoodlum (Jack Cassidy) to force him to testify against mobsters.
Phelps, Barney and Casey race to intercept $10 million in usurious profits as the loan sharks inject Willy with truth serum.
Casey's pose as a corrupt politician's courier turns deadly when she unknowingly carries a bomb; guest Georg Stanford Brown.
Casey must impersonate an insane-asylum inmate (Susan Howard) to free the woman to testify in court; guest James B. Sikking.
Barney poses as a Carribean psychic to hypnotize a defecting mobster into disclosing names of corrupt government officials.
An imprisoned private detective (Bradford Dillman) knows the location of a film roll that incriminates a mobster in murder.
Casey poses as an imported European bride as part of an IMF plan to infiltrate a top crime syndicate; guest James Gregory.
An underworld organization makes plans to establish a drug-manufacturing plant off the African coast; guest Anthony Zerbe.
Two gangsters (Richard Jaeckel, Herbert Edelman) attempt to take over all Thoroughbred-racing and illegal-betting parlors.
A psychotic ex-convict (Christopher George) plans to get revenge on society with nerve gas; guests Tyne Daly, Rafer Johnson.
The team stages an alien visit to influence a communications magnate who has sold a majority of his empire to the underworld.
Barney poses as a prospective singer to probe the death of a performer being blackmailed by gangsters; guest Ed Flanders.
The IMF must retrieve material on America's nuclear arsenal, which a defense expert (Kevin McCarthy) sold to a foreign power.
The IMF is called in when $75 million in stolen gems disappear and the ship carrying them explodes; guest Demond Wilson.
Casey becomes an assassin's target when she attempts to get information from a mobster's alcoholic wife (Elizabeth Ashley).
The IMF convinces a mobster he's had a heart transplant as part of a plan to destroy a drug ring; guest Billy Dee Williams.
The IMF sets out to stop two crime bosses (Gerald S. O'Loughlin, Christopher Stone) extorting huge sums from docking vessels.
Barney impersonates a prisoner seeking plastic surgery in order to infiltrate a crime syndicate specializing in brainwashing.
The IMF includes sabotage and infiltration in its plans to set two underworld mobs against each other; guest Victor French.
The team must convince an aging mobster (William Shatner) he is back in the 1930s to get evidence to close an unsolved case.
After eye surgery, Phelps poses as a blinded FBI agent to infiltrate a crime syndicate.
An arms dealer (George Sanders) concocts a plan to supply American arms to guerrilla groups in Africa and the Middle East.
The IMF uses a captured spy's wife (Antoinette Bower) to release information on a list of enemy agents from the man's memory.
A deceased defector's body must be recovered since it contains the only sample of a deadly nerve gas; guest Andrew Duggan.
The IMF is assigned to free the leader of a West African liberation movement, held prisoner by a racist, tyrannical colonel.
The IMF must find information in a secret nuclear-arms treaty to avert an off shore missile crisis.
The IMF team infiltrates a revolutionary group which commits robberies to finance plans to overthrow the American government.
Barney cannot escape a minefield during a mission to sabotage a satellite carrying hydrogen bombs.
The IMF's plan to have a foreign spy steal a fake missile-guidance system goes awry when Dana is abducted; guest John Beck.
Barney's brother is murdered after his newspaper begins a crusade against a crime boss (Hari Rhodes) with police connections.
Barney and Dana go under cover to thwart a political boss's plans to use a student riot to place his man in the state house.
Revolutionaries kidnap Paris as a hostage, believing his recent undercover role as an American magnate; guest Lou Antonio.
The team is assigned to intercept a list of heroin-ring information before it passes from a dying leader to his successor.
Phelps and Dana pose as professor and student to help young rebels obtain vital scientific information; guest Mark Lenard.
A deaf nurse (Ta-Tanisha) takes in badly injured Barney after he must be left behind by the IMF team; guest John Anderson.
The IMF agents fear a mission may have to be aborted when part of a secret weapon they obtained falls into another's hands.
Phelps falls in love with a dictator's daughter, whom the IMF has been assigned to transport out of an Eastern-bloc country.
Dana places her life in danger as the IMF tries to prove an American businessman innocent of the murder of his Japanese wife.
A glamorous double agent ensnares Paris so a delicate brain operation can be performed that will program him to kill Phelps.
An official (John Colicos) plans to assassinate a Caribbean president set to speak before Congress.
Phelps secretly uses his IMF knowledge to help authorities in his home town solve a series of murders; guest Loretta Swit.
The IMF must enlist an uncooperative computer genius (Christopher Connelly) when enemy operatives injure and capture Barney.
Dana and Paris infiltrate an international drug ring headed by a ruthless man (Sal Mineo); guests Dana Elcar, Robert Alda.
The IMF must prevent an assassin from carrying out his assignment without knowing the identity of his target.
Phelps is set up for capture as part of a plan to prevent a repressive leader from taking full control of a student congress.
Paris impersonates a power-mad hypnotist in an attempt to stop the man's plan to depose a duchess and take over her country.
Barney's island vacation, complete with a new love (Cicely Tyson), ends with his arrest for murder; guest Pernell Roberts.
The IMF tries to find a place so obvious that authorities will miss it to use to conceal a prisoner rescued from execution.
Phelps poses as an addict with information to sell as part of a plan to stop an assassination attempt; guest Jessica Walter.
Paris' assignment to get close to a lovely enemy agent as part of a plan to crack an espionage ring succeeds only too well.
The team wants a Middle East terrorist leader to attempt a prison breakout.
Phelps and Barney try illusion to convince a ruthless dictator's aides he is no longer fit to rule; guest Antoinette Bower.
Phelps concocts a scheme to convince a young prince (Barry Williams) that a trusted adviser is plotting to assassinate him.
Phelps recruits a trained terrier to recover a list of agents hidden in a drug kingpin's (Fernando Lamas) stamp collection.
The IMF plans to stop a tyrant from marrying a member of the royal family and taking over a friendly monarchy.
An accident that blinds Barney upsets the team's precise plans to rescue the buried-alive royal bride-to-be.
Phelps brings in a trained falcon when an assassination attempt upsets plans to free the imprisoned royal heir.
The IMF attempts to deceive an enemy official (Anthony Zerbe) to learn the location of a cache of stolen nuclear material.
Phelps poses as a temperamental artist to create a diversion while the team races to prevent a threatened nuclear explosion.
Phelps poses as a surgeon to convince a sick tyrant to release the true king, his twin, to act as a donor for an operation.
An agent (Anne Francis) takes advantage of two thieves' greed as part of plans to prevent the destruction of a vital formula.
Assumed identities and a robot figure in the IMF's plan to foil a leader (Malachi Throne) with hopes of becoming a dictator.
To foil an ambitious trafficker's plans, the IMF must convince a mobster that he is being double-crossed.
Two men search for an imprisoned rebel priest, planning to kill him after exploiting him to gain power.
Paris must pierce an ultrasonic barrier to reach counterfeit money plates before they are used to ruin a friendly country.
A plan to discredit a scientist who created a destructive drug includes letting Phelps be framed for homicide.
Phelps and Tracey (Lee Meriwether) convince a deposed dictator he's ill, then use his need for medicine to get information.
The IMF cracks a vital code when Paris hijacks a plane to allow the enemy to capture a passenger carrying a message.
To avert a nuclear attack, the IMF must make a captured enemy agent believe he is someone else.
Cinnamon poses as a singer to make a deranged man in line for a police post become jealous of her and be charged with murder.
The IMF helps a Latin American official (Nehemiah Persoff) rob his nation in order to reveal his plot to frame the president.
Phelps jeopardizes a vital IMF plan when he falls in love with a beautiful double agent (Joan Collins); guest Logan Ramsey.
A nitro-glycerine expert plans to trigger a war by blowing up the government house of a small country.
A paid assassin races the IMF to reach a nuclear scientist forced by the enemy to create a dangerous missile.
A professional assassin assumes one of Rollin's disguises to trap the IMF and his quarry, a nuclear scientist.
The team finds a human time bomb when a counter-spy (Martin Sheen) points them to a man who could expose an American agent.
A greedy manufacturer offers a hydrogen bomb to the highest bidder, unconcerned that his action could trigger World War III.
The IMF must rescue a political inmate from an escape-proof glass cell within a heavily secured prison.
The team must convince a mob henchman his boss wants to frame him in order to persuade him to testify against the crime lord.
Rollin takes the place of a human guinea pig in a test of the effects of a mutant bacteria weapon.
The team tries to guide an enemy agent through an elaborate maze of clues in hope of making him reach a desired conclusion.
Captors holding Cinnamon in a divided nation discover the one fear that could make her expose the IMF.
The IMF races a statute of limitations to dupe a soon-to-be released thief into leading police to $10 million in stolen loot.
The IMF must make an exiled Caribbean dictator believe he can see his own dire destiny to prevent him from funding a coup.
A propaganda minister (John Colicos) brings the IMF agents, posing as actors, to his nation to perform an anti-American play.
A playboy diplomat (Fernando Lamas) romances a colleague's wife (Lee Grant), a decoy in an IMF plan to foil enemy operatives.
The IMF plays on the vanity of a South American dictator's widow (Ruth Roman) to stop her from seizing power.
A military commander (Theodore Bikel) plans to substitute a look-alike for an imprisoned cardinal.
Phelps and Cinnamon set themselves up as targets for an underworld boss (Vincent Gardenia) expanding his sphere of influence.
Phelps and the IMF team travel to central Africa to stop a mercenary army led by a self-appointed colonel (Pernell Roberts).
The IMF team works to break up a boxing syndicate that rigs fights for bookmakers; guest Sugar Ray Robinson.
The IMF continues its efforts to knock out a boxing syndicate whose illegal operation is spreading to other sports.
Cinnamon plays the role of a legendary, long-lost princess to prevent a regent from taking over in a small Baltic monarchy.
The IMF plots to recover a top-secret, fail-safe device from an American physicist who has defected to an Eastern-bloc nation.
The IMF goes to the aid of a friendly South American government that has been overthrown by revolutionaries.
A once powerful Communist seeks to regain his position by trading an alloy to an Eastern bloc power.
Members of a murder organization, lured by Cinnamon, think they have eliminated Phelps, only to have his 'spirit' return.
Phelps is a target for death after uncovering a plot in a small town, aimed at silencing a Soviet defector; guest Will Geer.
The IMF calls in a famous surgeon to help break a drug-counterfeiting ring giving unsuspecting patients imitation medicines.
Phelps enlists the IMF's aid to save a close friend facing death in a Spanish prison on a wrongful murder conviction.
Cinnamon lures a wealthy gun dealer into a poker game to win from him an emerald which contains microfilmed plans.
The IMF is assigned to retrieve $1,000,000 in gold intended to fund an underground resistance movement in a hostile nation.
A Central European spy organization steals part of a secret NATO defense map and bribes an officer to obtain the other half.
The team stages a nuclear attack to lure a photographer (Anthony Zerbe) into revealing identities of his spy cohorts.
A Bavarian Neo-Nazi plans to fund a new movement by taking over an industrialist's (Wilfrid Hyde-White) vast business empire.
Cinnamon poses as an astrologer to get the team into a Baltic nation to rescue a leader-in-exile and protect his followers.
Rollin poses as a crime-syndicate leader to infiltrate the operation; guests Paul Stevens, Nicholas Colasanto.
Phelps and the IMF discover the location of funds misappropriated by a husband-and-wife team of international fund raisers.
The theft of a prized national treasure threatens America's relationship with a neutral Asian country; guest Darren McGavin.
A counterfeiting scheme by one of an African nation's richest men (Brock Peters) threatens to topple the country's economy.
The IMF uses a complex plan to convince a president (Pernell Roberts) that his chief of secret police wants to seize power.
Phelps infiltrates as the king of Elkabar's new partner in his lucrative slave trade; guest Antoinette Bower.
The IMF is ordered to abolish the slave trade in a nation ruled by a tyrannical king; guest Antoinette Bower.
The team must end a scam in which rich East Berliners who want to escape to the West are robbed of millions and then slain.
An enemy agent abducts two of the three scientists who together know all elements of a formula for the deadly cobalt bomb.
The IMF journeys to a Latin American nation to retrieve stolen Inca artifacts and stabilize the economy; guest Mark Lenard.
Cinnamon and Phelps infiltrate an international narcotics ring while Rollin poses as a competitor; guest William Windom.
Cinnamon poses as a psychic to lure an industrialist into a poker game to retrieve top-secret NATO information he possesses.
Briggs, Rollin and a circus performer (Eartha Kitt) enter the Soviet embassy to replace secret documents with forgeries.
A hostile security chief captures an American agent, unaware he carries secret information on a hidden computer microcircuit.
The IMF uses psychological pressure to learn the plans of an enemy agent (James Daly) impersonating a captive U.S. operative.
The IMF uses techniques of movie illusion to convince an ailing prime minister that his successor plans to become a dictator.
A movie-studio head from a hostile nation plans to show a manufactured film of American Vietnam-War atrocities to the press.
The IMF must prove the murder of an American senator by a communist trade delegate was not sanctioned by the killer's nation.
The team races time to retrieve a container of nuclear material from a sadistic penal-colony commandant (Ricardo Montalban).
Briggs and Cinnamon infiltrate a gathering of top Nazi leaders who are planning to organize a new version of the Third Reich.
An elaborate ruse aims to retrieve a huge diamond from a prime minister and return it to his deprived people.
The head (Carroll O'Connor) of an Eastern European nation's secret police plans to take over by putting an American on trial.
Dan and the team infiltrate a mob meeting to stop the plans of a crime czar murdering government officials.
Rollin and Barney travel into Eastern Europe to aid a scientist to defect and join his recently-escaped wife in the West.
To find Hitler's hidden fortune, the IMF races a band of young Neo-Nazis intent on creating a new regime; guest Lee Bergere.
The IMF must foil an aspiring foreign leader's plan to assassinate a scientist who defected.
Rollin investigates a Latin American informant's bizarre behavior, which threatens her country's security.
Briggs, Barney and Cinnamon must lure a major drug kingpin (Lloyd Bridges) out of a nation so he can be extradited legally.
Barney, Rollin and a spiritualist journey to Austria to prevent an American scientist from giving information to the Soviets.
The IMF team needs a bacteriologist (George Takei) to prevent a hostile regime from using germ warfare.
Rollin and Cinnamon are assigned to recover a recording-wire spool containing details of an enemy chemical-warfare project.
An underworld czar facing indictment holds a girl hostage to force Briggs to kidnap the state's prime witness.
The IMF must prevent the pro-Eastern elements in a foreign country from rigging a Parliamentary election.
Rollin takes on a prince (Nehemiah Persoff) in a gambling challenge to bankrupt his efforts to purchase arms for an invasion.
Disguised as a carnival troupe, the IMF plans to rescue an Eastern European freedom-movement head from prison.
The IMF's plan to rescue a cardinal from prison needs quick revision when he is moved to solitary confinement.
The IMF races to learn the location of a secret device an enemy agent (Fritz Weaver) plans to use to destroy a U.S. city.
Briggs schemes to overthrow a tyrannical Balkan regime by having a man impersonate a dead agent and discredit the dictator.
Members of the Impossible Missions Force utilize their unique talents to obtain a Caribbean dictator's two nuclear warheads.